2021 Boston Red Sox

Franchise seasons · 2020s seasons

Independent, unofficial historical lineup simulator. Games here are simulated exhibitions, not historical results.

Compare historical seasons

Boston Red Sox franchise archive · Available years: 1901–2025 · 125 seasons.

These historical season records are separate from simulated exhibitions. — means the season record is unavailable. Year ranges describe this archive's coverage; team names reflect each season's historical name.

Same team, nearby years

Nearby franchise seasons and available statistics
Season	Record (W–L)	Batting rows	Pitching rows
2023 Boston Red Sox	78–84	24	33
2022 Boston Red Sox	78–84	26	32
2021 Boston Red Sox · Current season	92–70	23	37
2020 Boston Red Sox	24–36	20	30
2019 Boston Red Sox	84–78	21	27

Same era: other teams in 2021

More teams from 2021

Roster and season statistics

Only players appear here. Staff are excluded from lineup choices. — means a statistic is unavailable. A roster player may have no batting or pitching row if they did not appear in those tables.

Player	Position group	No.	Stat rows	AB	H	HR	AVG	IP	ERA	Rating
Matt Andriese	Pitchers	35	pitching	—	—	—	—	37.33	6.03	Average (46) — 465 of 556 pitchers in the available 2021 rosters An earned-run average of 6.03 over 37.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Matt Barnes	Pitchers	32	pitching	—	—	—	—	54.67	3.79	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.79 over 54.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Eduard Bazardo	Pitchers	83	pitching	—	—	—	—	3.00	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Ryan Brasier	Pitchers	70	pitching	—	—	—	—	12.00	1.50	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Brandon Brennan	Pitchers	66	pitching	—	—	—	—	3.00	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Colten Brewer	Pitchers	48	pitching	—	—	—	—	1.00	36.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Austin Brice	Pitchers	31	pitching	—	—	—	—	13.67	6.59	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Kutter Crawford	Pitchers	79	pitching	—	—	—	—	2.00	22.50	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Austin Davis	Pitchers	65	pitching	—	—	—	—	16.67	4.86	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Nathan Eovaldi	Pitchers	17	pitching	—	—	—	—	182.33	3.75	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.75 over 182.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Raynel Espinal	Pitchers	80	pitching	—	—	—	—	2.00	9.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Michael Feliz	Pitchers	48	pitching	—	—	—	—	5.33	3.38	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Stephen Gonsalves	Pitchers	78	pitching	—	—	—	—	4.33	4.15	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Darwinzon Hernández	Pitchers	63	pitching	—	—	—	—	40.00	3.38	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.38 over 40.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Tanner Houck	Pitchers	89	pitching	—	—	—	—	69.00	3.52	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.52 over 69.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kaleb Ort	Pitchers	85	pitching	—	—	—	—	0.33	0.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Adam Ottavino	Pitchers	0	pitching	—	—	—	—	62.00	4.21	Average (50) — 281 of 556 pitchers in the available 2021 rosters An earned-run average of 4.21 over 62.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Brad Peacock	Pitchers	44	pitching	—	—	—	—	5.33	15.19	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Martín Pérez	Pitchers	54	pitching	—	—	—	—	114.00	4.74	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.74 over 114.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Nick Pivetta	Pitchers	37	pitching	—	—	—	—	155.00	4.53	Average (49) — 339 of 556 pitchers in the available 2021 rosters An earned-run average of 4.53 over 155.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Garrett Richards	Pitchers	43	pitching	—	—	—	—	136.67	4.87	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.87 over 136.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Yacksel Ríos	Pitchers	75	pitching	—	—	—	—	24.33	3.70	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.70 over 24.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hansel Robles	Pitchers	56	pitching	—	—	—	—	25.00	3.60	Average (51) — 235 of 556 pitchers in the available 2021 rosters An earned-run average of 3.60 over 25.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Eduardo Rodríguez	Pitchers	57	pitching	—	—	—	—	157.67	4.74	Average (48) — 387 of 556 pitchers in the available 2021 rosters An earned-run average of 4.74 over 157.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Chris Sale	Pitchers	41	pitching	—	—	—	—	42.67	3.16	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.16 over 42.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hirokazu Sawamura	Pitchers	19	pitching	—	—	—	—	53.00	3.06	Average (53) — 114 of 556 pitchers in the available 2021 rosters An earned-run average of 3.06 over 53.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
John Schreiber	Pitchers	46	pitching	—	—	—	—	3.00	3.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Connor Seabold	Pitchers	67	pitching	—	—	—	—	3.00	6.00	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Josh Taylor	Pitchers	38	pitching	—	—	—	—	47.67	3.40	Average (52) — 175 of 556 pitchers in the available 2021 rosters An earned-run average of 3.40 over 47.67 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Phillips Valdéz	Pitchers	71	pitching	—	—	—	—	40.00	5.85	Average (47) — 427 of 556 pitchers in the available 2021 rosters An earned-run average of 5.85 over 40.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Ryan Weber	Pitchers	65	pitching	—	—	—	—	5.67	17.47	Not enough data The available innings and earned-run average do not support a reliable comparison. You can still select this pitcher; the exhibition uses estimated performance.
Garrett Whitlock	Pitchers	72	pitching	—	—	—	—	73.33	1.96	Average (58) — 8 of 556 pitchers in the available 2021 rosters An earned-run average of 1.96 over 73.33 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Brandon Workman	Pitchers	44	pitching	—	—	—	—	20.00	4.95	Average (49) — 339 of 556 pitchers in the available 2021 rosters An earned-run average of 4.95 over 20.00 innings informs this pitching score. Lower earned-run averages indicate better run prevention. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kevin Plawecki	Catchers	25	both	157	45	3	.287	1.00	0.00	Average (55) — 97 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 157 at-bats and 3 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Christian Vázquez	Catchers	7	batting	458	118	6	.258	—	—	Average (52) — 186 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 458 at-bats and 6 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Connor Wong	Catchers	74	batting	13	4	0	.308	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Jonathan Araúz	Infielders	3	both	65	12	3	.185	1.00	9.00	Average (47) — 365 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 65 at-bats and 3 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Christian Arroyo	Infielders	39	both	164	43	6	.262	1.00	0.00	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 164 at-bats and 6 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Xander Bogaerts	Infielders	2	batting	529	156	23	.295	—	—	Strong (61) — 24 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 529 at-bats and 23 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Michael Chavis	Infielders	23	batting	79	15	2	.190	—	—	Average (46) — 398 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 79 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Bobby Dalbec	Infielders	29	batting	417	100	25	.240	—	—	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 417 at-bats and 25 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Rafael Devers	Infielders	11	batting	591	165	38	.279	—	—	Strong (60) — 31 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 591 at-bats and 38 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Marwin González	Infielders	12	both	242	49	2	.202	1.00	0.00	Below average (43) — 477 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 242 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
José Iglesias	Infielders	12	batting	59	21	1	.356	—	—	Average (57) — 58 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 59 at-bats and 1 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Jack López	Infielders	61	batting	13	2	0	.154	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Taylor Motter	Infielders	30	batting	6	2	0	.333	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Yairo Muñoz	Infielders	60	batting	11	1	0	.091	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Travis Shaw	Infielders	23	batting	42	10	3	.238	—	—	Not enough data The available at-bats and hits do not support a reliable comparison. You can still select this batter; the exhibition uses estimated performance.
Franchy Cordero	Outfielders	16	batting	127	24	1	.189	—	—	Below average (44) — 459 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 127 at-bats and 1 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Jarren Duran	Outfielders	40	batting	107	23	2	.215	—	—	Average (47) — 365 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 107 at-bats and 2 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kiké Hernández	Outfielders	5	batting	508	127	20	.250	—	—	Average (53) — 156 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 508 at-bats and 20 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
J. D. Martinez	Outfielders	28	batting	570	163	28	.286	—	—	Strong (60) — 31 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 570 at-bats and 28 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Hunter Renfroe	Outfielders	10	batting	521	135	31	.259	—	—	Average (56) — 79 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 521 at-bats and 31 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Danny Santana	Outfielders	22	batting	116	21	5	.181	—	—	Average (45) — 440 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 116 at-bats and 5 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Kyle Schwarber	Outfielders	18	batting	134	39	7	.291	—	—	Average (57) — 58 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 134 at-bats and 7 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.
Alex Verdugo	Outfielders	99	batting	544	157	13	.289	—	—	Average (58) — 49 of 517 batters in the available 2021 rosters Batting average and home runs per at-bat inform this hitting score, using 544 at-bats and 13 home runs from the source. Shorter playing records receive more cautious scores. This rank compares simulation ratings, with equal scores sharing a rank; it is not a ranking of every player in the league.

Build a lineup

Exhibition rules use nine hitters, including a DH, and one pitcher. The numbered slots are the batting order. Pick each player once. Opponent: 2021 Arizona Diamondbacks. Players without a rating remain selectable with estimated performance.

Game to edit

1. C2. 1B3. 2B4. 3B5. SS6. LF7. CF8. RF9. DH

Pitcher Game seed

Keep the seed to replay the same game; change it to play a different exhibition.

Restore a lineup file

Simulated exhibition

Choose a lineup to play an exhibition.

Batting lines

Game log for the selected game

Roster and statistics adapted from Wikipedia contributors, 2021 Boston Red Sox season. Retrieved 2026-09-30T03:44:50.293184+00:00. Source material is under CC BY-SA 4.0. We grouped roster entries, excluded staff, joined stats by Wikipedia page title, converted baseball innings notation to outs, and derived approximate ratings and simulated outcomes. No official affiliation.