what is boston red sox best ever win percentage for a month in a season

The Boston Red Sox had their highest winning percentage 15 times, winning 100.0 percent of the time.

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Data note: Data: Retrosheet

	TEAM	W%	MONTH	SEASON	W	L	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Red Sox	1.000	October 2023	2023	1	0	1	34	6	5	0	0	0	3	6	0	16	6	0	40	5	0	0	0	0	0	.147	.275	.147	.422
2	Red Sox	1.000	October 2021	2021	3	0	3	105	16	27	2	1	6	16	17	1	31	0	0	123	49	9	0	0	0	3	.257	.366	.467	.833
3	Red Sox	1.000	October 2009	2009	4	0	4	132	32	42	6	0	9	30	20	2	21	3	2	157	75	15	0	3	1	1	.318	.408	.568	.976
4	Red Sox	1.000	October 2006	2006	1	0	1	21	9	7	1	0	3	9	5	1	4	0	0	27	17	4	0	0	0	1	.333	.481	.810	1.291
5	Red Sox	1.000	October 1999	1999	3	0	3	110	15	29	4	0	5	15	10	2	20	2	1	122	48	9	0	0	0	3	.264	.336	.436	.772
6	Red Sox	1.000	October 1989	1989	1	0	1	29	5	8	3	0	1	4	1	0	2	1	0	31	14	4	1	0	0	2	.276	.300	.483	.783
7	Red Sox	1.000	October 1982	1982	3	0	3	121	13	30	6	1	3	13	5	2	18	1	1	130	47	10	1	1	1	1	.248	.287	.388	.675
8	Red Sox	1.000	October 1976	1976	3	0	3	116	11	33	6	1	1	11	11	1	20	1	0	133	44	8	4	1	2	3	.284	.349	.379	.728
9	Red Sox	1.000	October 1967	1967	1	0	1	35	5	12	1	0	0	4	1	0	4	0	0	36	13	1	0	0	0	2	.343	.361	.371	.733
10	Red Sox	1.000	October 1964	1964	3	0	3	102	25	35	7	0	0	22	12	0	15	0	0	117	42	7	1	2	3	2	.343	.405	.412	.817
11	Red Sox	1.000	October 1950	1950	1	0	1	38	7	15	1	0	1	6	4	0	4	0	0	42	19	2	0		0	1	.395	.452	.500	.952
12	Red Sox	1.000	October 1929	1929	2	0	2	65	6	14	4	1	0	5	1	0	10	1		68	20	5	2				.215	.227	.308	.535
13	Red Sox	1.000	October 1925	1925	2	0	2	71	14	24	6	2	0	13	7	0	6	3		81	34	8	3				.338	.397	.479	.876
14	Red Sox	1.000	October 1911	1911	6	0	6	189	39	58	11	2	1		23	5		8		228	76	14	11				.307	.396	.402	.798
15	Americans	1.000	October 1905	1905	7	0	7	224	56	73	6	5	4		24	3		11		258	101	15	7				.326	.398	.451	.849
16	Red Sox	.846	April 1918	1918	11	2	13	387	53	93	18	2	0	39	52	3	26	19		466	115	20	24				.240	.335	.297	.632
17	Red Sox	.840	July 2026	2026	21	4	25	828	128	209	44	3	32	124	88	21	213	17	10	958	355	79	13	8	3	12	.252	.337	.429	.765
18	Red Sox	.833	April 1952	1952	10	2	12	409	66	113	22	3	11	62	57	3	52	6	7	473	174	36	4			14	.276	.369	.425	.794
19	Red Sox	.833	April 1920	1920	10	2	13	458	69	125	15	7	4	58	64	3	43	12		547	166	26	22				.273	.366	.362	.728
20	Americans	.833	April 1904	1904	10	2	12	382	43	93	15	12	3	40	23	5		6		422	141	30	12				.243	.295	.369	.664
21	Red Sox	.800	August 1950	1950	24	6	30	1,086	221	347	63	18	25	207	143	2	100	7		1,245	521	106	14			28	.320	.400	.480	.879
22	Red Sox	.800	April 1919	1919	4	1	5	178	32	51	8	4	1	25	14	0	19	6		205	70	13	13				.287	.339	.393	.732
23	Americans	.800	October 1904	1904	8	2	10	326	39	73	14	2	0	28	18	3		6		364	91	16	17				.224	.271	.279	.550
24	Americans	.800	June 1901	1901	20	5	25	877	167	263	39	23	12	148	76	16	-8	36		984	384	74	15				.300	.366	.438	.804
25	Red Sox	.792	September 1949	1949	19	5	24	791	141	233	43	4	19	132	128	3	86	4		937	341	66	15			32	.295	.395	.431	.826

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More Red Sox Stats

Team Batting Leaders

1

Contreras

RBI

1

Contreras

AVG

.500

Eaton

Team Pitching Leaders

5

Gray

ERA

0.00

Chapman

Team Rankings

163

26th

689

23rd

1,398

11th

ERA

3.54

3rd

2026 Division Standings

TEAM	W	L	PCT	GB
Rays	98	64	.605
Yankees	93	68	.578	4.5
Red Sox	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0

Schedule

DATE	MATCHUP			TIME (ET)
Thu 3/25	BOS	@	SEA	4:00 AM
Fri 3/26	BOS	@	SEA	4:00 AM
Sat 3/27	BOS	@	SEA	4:00 AM
Sun 3/28	BOS	@	SEA	4:00 AM
Mon 3/29	BOS	@	HOU	4:00 AM

Last Game

Red Sox

0 - 2

Final

Yankees

2 - 0

Wed 30 Sep 2026

MLB 2026 Batting Leaders

Playoffs HR Leaders

4

Rice

3

Contreras

3

Muncy

Playoffs RBI Leaders

9

Chourio

9

Rice

9

Contreras

Playoffs Batting Average Leaders

1.000

Taylor

.500

Hoerner

.500

Genao

Playoffs Hit Leaders

19

Contreras

17

Chourio

17

Pratt

Playoffs Run Leaders

9

Turang

8

Ramírez

8

Díaz

Playoffs OBP Leaders

1.000

Taylor

.667

De Paula

.500

Rice

Playoffs SLG Leaders

1.333

Velázquez

1.333

Sheets

1.105

Rice

Playoffs SB Leaders

5

Simpson

4

Chisholm

4

Yelich

MLB 2026 Pitching Leaders

Playoffs Win Leaders

3

Hall

2

Misiorowski

2

Williams

Playoffs Strikeout Leaders

33

Williams

31

Rasmussen

20

Ashby

Playoffs ERA Leaders

0.00

Suarez

0.00

Peterson

0.00

Hader

Playoffs WHIP Leaders

0.00

Chapman

0.00

VanWey

0.00

Weissert

Playoffs K/9 Leaders

27.00

Brown

27.00

Chapman

27.00

Bibee

Playoffs K/BB Leaders

19.00

Sale

18.00

Burke

13.00

Fried

Playoffs Walk Leaders

0

Suarez

0

Warren

0

Duran

MLB Fantasy 2026

Playoffs FanDuel Points Leaders

182

Rasmussen

170.9

Contreras

155.6

Ramírez

Playoffs DraftKings Points Leaders

133

Contreras

118

Chourio

118

Ramírez

MLB 2026 Betting

Best Record ATS

97-72

96-72

91-71

88-74

87-75

94-82

Worst Record ATS

60-102

69-96

72-98

75-87

76-88

MLB 2026 Standings

NL East	W	L	PCT	GB
Braves - y	94	68	.580
Phillies - w	88	74	.543	6.0
Marlins	80	82	.494	14.0
Nationals	77	85	.475	17.0
Mets	74	88	.457	20.0
NL Central	W	L	PCT	GB
Brewers - y	103	59	.636
Cubs - w	89	73	.549	14.0
Pirates	82	80	.506	21.0
Cardinals	77	85	.475	26.0
Reds	75	87	.463	28.0
NL West	W	L	PCT	GB
Dodgers - y	100	62	.617
Padres - w	91	71	.562	9.0
Diamondbacks	86	76	.531	14.0
Giants	65	97	.401	35.0
Rockies	58	104	.358	42.0

AL East	W	L	PCT	GB
Rays - y	98	64	.605
Yankees - w	93	68	.578	4.5
Red Sox - w	87	75	.537	11.0
Orioles	79	82	.491	18.5
Blue Jays	79	83	.488	19.0
AL Central	W	L	PCT	GB
Guardians - y	85	77	.525
White Sox - w	84	78	.519	1.0
Twins	77	85	.475	8.0
Tigers	76	86	.469	9.0
Royals	69	93	.426	16.0
AL West	W	L	PCT	GB
Astros - y	81	81	.500
Rangers	80	82	.494	1.0
Mariners	76	86	.469	5.0
Athletics	64	98	.395	17.0
Angels	62	100	.383	19.0

MLB 2026 Scores & Schedule

Scores

DATE	MATCHUP			SCORE
Tue 9/15	MIL	@	PIT	5-1
Wed 9/16	CWS	@	CLE	3-6
Wed 9/16	SFG	@	STL	6-5
Wed 9/16	NYY	@	MIN	4-5
Wed 9/16	DET	@	TOR	1-5

Schedule

DATE	MATCHUP			TIME (ET)
Thu 3/25	TEX	@	HOU	4:00 AM
Thu 3/25	BAL	@	TBR	4:00 AM
Thu 3/25	ATL	@	LAD	4:00 AM
Thu 3/25	CWS	@	DET	4:00 AM
Thu 3/25	NYM	@	MIA	4:00 AM

The Boston Red Sox had their highest winning percentage 15 times, winning 100.0 percent of the time.

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1

1

.500

5

0.00

MLB 2026 Batting Leaders

4

3

3

9

9

9

1.000

.500

.500

19

17

17

9

8

8

1.000

.667

.500

1.333

1.333

1.105

5

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MLB 2026 Pitching Leaders

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2

2

33

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20

0.00

0.00

0.00

0.00

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0.00

27.00

27.00

27.00

19.00

18.00

13.00

0

0

0

MLB Fantasy 2026

182

170.9

155.6

133

118

118

MLB 2026 Betting

MLB 2026 Standings

MLB 2026 Scores & Schedule

Scores

Schedule