The Boston Red Sox have a record of 49-52 on May 12 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	5/12/1902	1-0	BSA	@	PHA	W 8-2	1.000	40	8	13	0	0	1	7	2	0	6	1	-9	42	16	1	0		-9	-9	.325	.357	.400	.757
2	Americans	5/12/1903	1-0	BSA	@	CLE	W 10-5	1.000	36	10	9	2	2	0	6	5	0	8	1	-9	43	15	4	2		-9	-9	.250	.341	.417	.758
3	Americans	5/12/1904	1-0	BSA	vs	DET	W 8-1	1.000	35	8	12	0	2	2	8	2	0	3	2		38	22	4	1				.343	.378	.629	1.007
4	Americans	5/12/1905	0-1	BSA	@	DET	L 1-8	.000	28	1	5	0	1	0	1	1	0	3	0		30	7	1	1				.179	.207	.250	.457
5	Americans	5/12/1906	0-1	BSA	vs	SLA	L 1-9	.000	30	1	6	1	1	0	1	4	0	4	1		34	9	2	0				.200	.294	.300	.594
6	Red Sox	5/12/1908	0-1	BOS	vs	DET	L 2-4	.000	37	2	10	0	0	0	2	0	0	8	1		38	10	0	1				.270	.270	.270	.541
7	Red Sox	5/12/1909	1-0	BOS	@	CLE	W 3-2	1.000	31	3	6	2	0	0	2	1	1	10	1		34	8	2	1				.194	.242	.258	.500
8	Red Sox	5/12/1910	0-1	BSA	vs	SLA	L 1-2	.000	30	1	3	0	0	0	1	3	0	5	0		33	3	0	0				.100	.182	.100	.282
9	Red Sox	5/12/1911	1-0	BSA	@	CLE	W 6-2	1.000	34	6	8	0	1	0	6	3	1	3	1		38	10	1	0				.235	.316	.294	.610
10	Red Sox	5/12/1913	0-1	BSA	@	DET	L 7-8	.000	32	7	8	1	2	0	7	5	0	2	1		40	13	3	3				.250	.351	.406	.758
11	Red Sox	5/12/1914	1-0	BSA	vs	SLA	W 7-0	1.000	29	7	5	1	0	0	5	4	1	4	1		35	6	1	1				.172	.294	.207	.501
12	Red Sox	5/12/1915	1-0	BSA	@	DET	W 4-1	1.000	34	4	8	2	0	1	3	2	0	2	0		36	13	3	0				.235	.278	.382	.660
13	Red Sox	5/12/1916	0-1	BSA	vs	CLE	L 1-3	.000	32	1	8	1	0	0	1	1	0	3	0		34	9	1	1				.250	.273	.281	.554
14	Red Sox	5/12/1917	1-0	BSA	@	DET	W 8-0	1.000	38	8	12	1	2	1	8	3	0	1	1		41	20	4	0				.316	.366	.526	.892
15	Red Sox	5/12/1920	0-1	BSA	vs	CLE	L 7-9	.000	35	7	10	1	1	0	7	2	0	2	1	0	39	13	2	2				.286	.324	.371	.696
16	Red Sox	5/12/1922	1-0	BSA	vs	CWS	W 5-0	1.000	27	5	10	3	0	0	4	6	0	3	1	2	37	13	3	4				.370	.485	.481	.966
17	Red Sox	5/12/1923	0-1	BSA	@	SLA	L 1-2	.000	30	1	4	2	0	0	1	0	0	6	1	1	30	6	2	0				.133	.133	.200	.333
18	Red Sox	5/12/1925	0-1	BSA	@	CLE	L 4-9	.000	35	4	12	4	0	0	3	0	0	1	0	0	36	16	4	1				.343	.343	.457	.800
19	Red Sox	5/12/1926	1-0	BSA	vs	DET	W 4-2	1.000	33	4	14	0	2	0	4	0	1	2	0	1	36	18	2	2				.424	.441	.545	.987
20	Red Sox	5/12/1928	1-0	BSA	vs	SLA	W 15-2	1.000	36	15	16	2	1	1	15	6	0	0	1	1	47	23	4	5				.444	.524	.639	1.163
21	Red Sox	5/12/1929	0-1	BSA	@	SLA	L 3-15	.000	25	3	6	0	1	1	3	3	0	2	0	0	28	11	2	0				.240	.321	.440	.761
22	Red Sox	5/12/1930	0-1	BSA	vs	SLA	L 2-3	.000	37	2	10	1	0	1	2	2	0	2	0	0	41	14	2	2				.270	.308	.378	.686
23	Red Sox	5/12/1931	0-1	BSA	@	DET	L 0-2	.000	35	0	9	1	0	0	0	3	0	3	0	0	39	10	1	1				.257	.316	.286	.602
24	Red Sox	5/12/1932	0-1	BSA	vs	CLE	L 4-5	.000	37	4	10	0	1	1	4	3	0	4	0	0	40	15	2	0				.270	.325	.405	.730
25	Red Sox	5/12/1934	0-1	BSA	vs	CLE	L 2-7	.000	34	2	10	2	1	0	1	4	0	3	0	0	40	14	3	2				.294	.368	.412	.780
	Total		49-52					.485	3,445	451	917	184	30	70	414	343	19	501	48	24	3,882	1,371	284	59	16	16	63	.266	.335	.398	.733