The Boston Red Sox are 48-53 on May 18 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	5/18/1903	0-1	BSA	@	DET	L 1-12	.000	29	1	4	1	0	0	1	1	0	8	0	-9	30	5	1	0		-9	-9	.138	.167	.172	.339
2	Americans	5/18/1906	0-1	BSA	vs	CLE	L 1-14	.000	30	1	5	2	1	0	1	2	0		0		32	9	3	0				.167	.219	.300	.519
3	Americans	5/18/1907	0-1	BSA	@	CWS	L 2-3	.000	35	2	7	2	0	0	1	2	0	2	0		37	9	2	0				.200	.243	.257	.500
4	Red Sox	5/18/1908	1-0	BOS	vs	CLE	W 3-0	1.000	29	3	8	1	0	0	1	2	0	1	2		32	9	1	1				.276	.323	.310	.633
5	Red Sox	5/18/1909	1-0	BOS	@	DET	W 5-3	1.000	37	5	10	1	1	0	4	1	0	3	1		40	13	2	2				.270	.289	.351	.641
6	Red Sox	5/18/1911	0-1	BSA	@	CWS	L 8-12	.000	41	8	15	1	3	0	8	1	1	9	0		43	22	4	0				.366	.395	.537	.932
7	Red Sox	5/18/1912	0-1	BSA	vs	CWS	L 1-3	.000	34	1	9	1	0	0	0	2	0	1	1		36	10	1	0				.265	.306	.294	.600
8	Red Sox	5/18/1913	0-1	BSA	@	SLA	L 1-9	.000	34	1	8	3	0	1	1	1	0	3	0		35	14	4	0				.235	.257	.412	.669
9	Red Sox	5/18/1914	1-0	BSA	vs	DET	W 2-0	1.000	24	2	7	1	0	0	2	3	1	4	0		31	8	1	3				.292	.393	.333	.726
10	Red Sox	5/18/1916	0-1	BSA	vs	SLA	L 1-7	.000	29	1	5	0	0	0	1	1	0	0	2		30	5	0	0				.172	.200	.172	.372
11	Red Sox	5/18/1917	0-1	BSA	@	CWS	L 2-8	.000	32	2	4	3	0	0	2	1	1	5	1		34	7	3	0				.125	.176	.219	.395
12	Red Sox	5/18/1918	1-0	BSA	vs	DET	W 3-1	1.000	31	3	10	1	0	0	3	2	0	2	3		35	11	1	2				.323	.364	.355	.718
13	Red Sox	5/18/1919	0-1	BSA	@	SLA	L 3-4	.000	33	3	8	2	1	0	2	3	1	3	0		37	12	3	0				.242	.324	.364	.688
14	Red Sox	5/18/1920	0-1	BSA	vs	CWS	L 3-4	.000	33	3	9	0	1	0	3	1	0	4	1	1	35	11	1	1				.273	.294	.333	.627
15	Red Sox	5/18/1921	1-0	BSA	@	DET	W 2-0	1.000	29	2	6	1	0	0	2	2	1	0	0	0	34	7	1	2				.207	.281	.241	.523
16	Red Sox	5/18/1923	1-0	BSA	@	DET	W 6-2	1.000	42	6	13	2	1	0	6	0	1	3	0	1	43	17	3	0				.310	.326	.405	.730
17	Red Sox	5/18/1924	1-0	BSA	@	DET	W 5-4	1.000	33	5	9	3	0	0	5	4	0	0	0	1	39	12	3	2				.273	.351	.364	.715
18	Red Sox	5/18/1925	1-0	BSA	@	SLA	W 12-7	1.000	38	12	11	2	0	1	10	7	0	3	1	0	47	16	3	2				.289	.400	.421	.821
19	Red Sox	5/18/1926	1-0	BSA	vs	SLA	W 6-3	1.000	29	6	10	3	0	1	6	4	1	2	0	0	37	16	4	3				.345	.441	.552	.993
20	Red Sox	5/18/1927	0-1	BSA	@	SLA	L 6-8	.000	35	6	11	3	0	3	6	4	0	3	0	0	40	23	6	1				.314	.385	.657	1.042
21	Red Sox	5/18/1929	0-1	BSA	@	NYY	L 2-5	.000	34	2	7	2	0	0	2	2	0	3	1	0	36	9	2	0				.206	.250	.265	.515
22	Red Sox	5/18/1929	0-1	BSA	@	NYY	L 0-5	.000	27	0	1	0	0	0	0	2	0	9	0	1	29	1	0	0				.037	.103	.037	.140
23	Red Sox	5/18/1930	0-1	BSA	vs	NYY	L 0-11	.000	31	0	3	0	0	0	0	1	0	7	1	0	32	3	0	0				.097	.125	.097	.222
24	Red Sox	5/18/1931	0-1	BSA	@	CWS	L 8-9	.000	37	8	14	2	0	1	8	1	0	2	0	0	39	19	3	1				.378	.395	.514	.908
25	Red Sox	5/18/1932	1-0	BSA	vs	CWS	W 13-10	1.000	39	13	18	4	0	0	11	7	0	1	0	0	48	22	4	2				.462	.543	.564	1.108
	Total		48-53					.475	3,371	435	857	169	22	67	403	378	21		46	23	3,836	1,271	258	51	15	16	58	.254	.332	.377	.709