The Boston Red Sox have a record of 38-21 on May 21 at home all-time.

	TEAM	DATE	REC	TM		OPP	RESULT	W%	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Americans	5/21/1902	0-1	BSA	vs	CWS	L 1-2	.000	28	1	4	1	1	0	1	0	1	6	0	-10	29	7	2	0		-10	-10	.143	.172	.250	.422
2	Americans	5/21/1904	0-1	BSA	vs	SLA	L 3-5	.000	45	3	8	2	1	0	3	3	0	9	1		48	12	3	0				.178	.229	.267	.496
3	Americans	5/21/1906	0-1	BSA	vs	DET	L 1-2	.000	33	1	6	1	0	0	1	0	1		0		34	7	1	0				.182	.206	.212	.418
4	Red Sox	5/21/1912	1-0	BSA	vs	CLE	W 3-1	1.000	28	3	4	1	0	0	3	2	1		2		31	5	1	0				.143	.226	.179	.404
5	Red Sox	5/21/1914	0-1	BSA	vs	CWS	L 2-5	.000	30	2	7	1	1	0	0	2	0	2	0		32	10	2	0				.233	.281	.333	.615
6	Red Sox	5/21/1918	0-1	BSA	vs	CLE	L 5-6	.000	34	5	8	2	0	0	5	5	0	1	0		39	10	2	0				.235	.333	.294	.627
7	Red Sox	5/21/1920	1-0	BSA	vs	DET	W 8-3	1.000	34	8	13	2	2	0	8	2	0	6	0	1	38	19	4	2				.382	.417	.559	.975
8	Red Sox	5/21/1924	1-0	BSA	vs	DET	W 5-4	1.000	29	5	7	1	2	0	4	3	0	3	1	0	34	12	3	2				.241	.313	.414	.726
9	Red Sox	5/21/1926	1-0	BSA	vs	CWS	W 8-7	1.000	37	8	12	6	1	0	6	3	1	5	0	0	42	20	7	1				.324	.390	.541	.931
10	Red Sox	5/21/1933	1-0	BSA	vs	DET	W 2-0	1.000	30	2	9	2	0	0	2	3	0	2	0	0	33	11	2	0				.300	.364	.367	.730
11	Red Sox	5/21/1935	1-0	BSA	vs	CLE	W 7-2	1.000	34	7	10	2	1	0	7	4	0	3	2	0	38	14	3	0				.294	.368	.412	.780
12	Red Sox	5/21/1937	0-1	BSA	vs	DET	L 2-4	.000	39	2	8	1	1	1	2	5	0	2	0	0	44	14	3	0				.205	.295	.359	.654
13	Red Sox	5/21/1939	1-0	BSA	vs	DET	W 8-3	1.000	33	8	10	3	0	1	8	5	0	4	2	0	39	16	4	1			0	.303	.395	.485	.880
14	Red Sox	5/21/1941	1-0	BSA	vs	SLA	W 8-6	1.000	33	8	13	4	0	1	8	3	0	1	0	0	39	20	5	3			2	.394	.444	.606	1.051
15	Red Sox	5/21/1944	1-0	BSA	vs	CWS	W 4-3	1.000	32	4	10	2	0	0	3	1	0	4	0	0	33	12	2	0			2	.313	.333	.375	.708
16	Red Sox	5/21/1944	1-0	BSA	vs	CWS	W 9-2	1.000	34	9	12	2	1	2	9	3	0	2	0	0	39	22	5	2			0	.353	.405	.647	1.052
17	Red Sox	5/21/1949	1-0	BSA	vs	CLE	W 4-0	1.000	31	4	9	3	0	1	3	1	0	3	0	0	32	15	4	0			2	.290	.313	.484	.796
18	Red Sox	5/21/1951	1-0	BSA	vs	DET	W 9-7	1.000	34	9	9	3	1	1	9	5	0	3	0	0	39	17	5	0		1	0	.265	.359	.500	.859
19	Red Sox	5/21/1953	0-1	BOS	vs	PHA	L 0-9	.000	30	0	3	2	0	0	0	2	0	2	0	0	32	5	2	0		0	0	.100	.156	.167	.323
20	Red Sox	5/21/1957	0-1	BOS	vs	CLE	L 2-8	.000	33	2	7	2	0	0	2	7	0	8	0	0	40	9	2	0	0	0	1	.212	.350	.273	.623
21	Red Sox	5/21/1959	1-0	BOS	vs	KCA	W 5-0	1.000	32	5	9	1	0	3	5	3	0	4	0	0	36	19	4	1	0	0	1	.281	.343	.594	.937
22	Red Sox	5/21/1961	0-1	BOS	vs	CWS	L 5-6	.000	38	5	11	2	0	3	5	2	1	3	1	1	42	22	5	1	0	0	0	.289	.341	.579	.920
23	Red Sox	5/21/1961	1-0	BOS	vs	CWS	W 4-1	1.000	29	4	5	2	0	1	3	2	0	5	0	0	32	10	3	1	0	0	0	.172	.226	.345	.571
24	Red Sox	5/21/1962	0-1	BOS	vs	KCA	L 5-10	.000	35	5	12	0	0	1	5	4	1	5	0	0	41	15	1	0	1	0	2	.343	.415	.429	.843
25	Red Sox	5/21/1963	0-1	BOS	vs	MIN	L 2-8	.000	34	2	8	1	1	2	2	1	0	5	0	0	35	17	4	0	0	0	2	.235	.257	.500	.757
	Total		38-21					.644	1,972	323	558	119	23	55	304	206	20		32	11	2,231	888	197	20	13	12	46	.283	.355	.450	.805