The Seattle Mariners have a 44-30 record in the month of May against the NL 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	Mariners	5/20/2005	0-1	SEA	vs	SDP	L 1-6	.000	32	1	5	0	0	1	1	2	0	11	1	0	34	8	1	0	0	0	0	.156	.206	.250	.456
2	Mariners	5/21/2005	1-0	SEA	vs	SDP	W 5-3	1.000	32	5	8	2	1	2	5	0	0	6	1	0	32	18	5	0	0	0	0	.250	.250	.563	.813
3	Mariners	5/22/2005	1-0	SEA	vs	SDP	W 5-0	1.000	34	5	10	5	1	0	5	3	0	4	0	0	37	17	6	0	0	0	0	.294	.351	.500	.851
4	Mariners	5/19/2006	1-0	SEA	vs	SDP	W 7-4	1.000	36	7	11	1	1	3	6	2	1	7	3	0	39	23	5	0	0	0	0	.306	.359	.639	.998
5	Mariners	5/20/2006	1-0	SEA	vs	SDP	W 6-3	1.000	33	6	10	2	2	1	6	2	0	3	0	0	35	19	5	0	0	1	1	.303	.343	.576	.919
6	Mariners	5/21/2006	1-0	SEA	vs	SDP	W 10-8	1.000	35	10	11	0	0	2	10	3	1	5	0	0	41	17	2	2	0	1	0	.314	.385	.486	.870
7	Mariners	5/18/2007	0-1	SEA	vs	SDP	L 1-8	.000	37	1	10	0	0	0	1	1	0	8	4	0	38	10	0	0	0	0	0	.270	.289	.270	.560
8	Mariners	5/19/2007	1-0	SEA	vs	SDP	W 7-4	1.000	36	7	14	1	0	2	6	1	0	6	2	0	37	21	3	0	0	0	1	.389	.405	.583	.989
9	Mariners	5/20/2007	0-1	SEA	vs	SDP	L 1-2	.000	33	1	9	0	0	0	1	1	0	2	1	1	34	9	0	0	0	0	1	.273	.294	.273	.567
10	Mariners	5/16/2008	0-1	SEA	vs	SDP	L 4-6	.000	35	4	9	3	0	1	4	4	0	10	3	0	39	15	4	0	0	1	1	.257	.333	.429	.762
11	Mariners	5/17/2008	1-0	SEA	vs	SDP	W 4-2	1.000	32	4	9	2	0	1	4	1	1	6	1	0	34	14	3	0	0	0	1	.281	.324	.438	.761
12	Mariners	5/18/2008	1-0	SEA	vs	SDP	W 3-2	1.000	28	3	5	1	0	0	3	4	0	5	2	0	32	6	1	0	0	1	1	.179	.281	.214	.496
13	Mariners	5/22/2009	1-0	SEA	vs	SFG	W 2-1	1.000	45	2	11	0	0	0	2	7	0	11	0	0	52	11	0	0	0	1	0	.244	.346	.244	.591
14	Mariners	5/23/2009	0-1	SEA	vs	SFG	L 1-5	.000	33	1	10	0	0	0	1	0	0	7	1	1	34	10	0	1	0	0	2	.303	.303	.303	.606
15	Mariners	5/24/2009	1-0	SEA	vs	SFG	W 5-4	1.000	26	5	5	1	0	2	5	5	0	6	0	0	32	12	3	1	0	0	2	.192	.323	.462	.784
16	Mariners	5/21/2010	1-0	SEA	vs	SDP	W 15-8	1.000	40	15	15	3	0	3	15	4	0	8	0	0	45	27	6	0	1	0	0	.375	.422	.675	1.097
17	Mariners	5/22/2010	0-1	SEA	vs	SDP	L 1-2	.000	34	1	9	2	0	0	1	0	0	8	0	1	34	11	2	0	0	0	1	.265	.265	.324	.588
18	Mariners	5/23/2010	0-1	SEA	vs	SDP	L 1-8	.000	31	1	5	2	0	0	1	3	0	6	0	0	35	7	2	0	1	0	0	.161	.229	.226	.454
19	Mariners	5/20/2011	1-0	SEA	@	SDP	W 4-1	1.000	33	4	8	2	1	1	4	2	0	8	1	0	36	15	4	0	1	0	2	.242	.278	.455	.732
20	Mariners	5/21/2011	1-0	SEA	@	SDP	W 4-0	1.000	34	4	9	3	0	0	3	3	1	6	0	1	39	12	3	0	1	1	0	.265	.333	.353	.686
21	Mariners	5/22/2011	1-0	SEA	@	SDP	W 6-1	1.000	43	6	16	4	0	0	6	1	0	7	2	0	44	20	4	0	0	1	0	.372	.386	.465	.851
22	Mariners	5/18/2012	1-0	SEA	@	COL	W 4-0	1.000	31	4	8	1	2	1	4	0	1	10	1	1	34	16	4	0	2	0	1	.258	.265	.516	.781
23	Mariners	5/19/2012	1-0	SEA	@	COL	W 10-3	1.000	40	10	14	2	1	1	9	5	0	9	0	0	45	21	4	0	0	0	1	.350	.422	.525	.947
24	Mariners	5/20/2012	1-0	SEA	@	COL	W 6-4	1.000	34	6	9	2	1	3	5	2	0	5	2	0	37	22	6	1	0	0	1	.265	.306	.647	.953
25	Mariners	5/7/2013	0-1	SEA	@	PIT	L 1-4	.000	31	1	5	1	0	0	1	2	0	11	1	0	33	6	1	0	0	0	1	.161	.212	.194	.406
	Total		44-30					.595	2,526	346	652	109	12	90	332	213	29	619	48	14	2,795	1,055	211	8	19	16	46	.258	.321	.418	.738