The Seattle Mariners have a record of 28-34 in the month of April 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	4/18/2014	0-1	SEA	@	MIA	L 4-8	.000	38	4	11	3	1	0	2	2	0	6	0	0	40	16	4	0	0	1	1	.289	.325	.421	.746
2	Mariners	4/19/2014	0-1	SEA	@	MIA	L 0-7	.000	28	0	2	1	0	0	0	0	0	4	0	0	28	3	1	0	0	0	1	.071	.071	.107	.179
3	Mariners	4/20/2014	0-1	SEA	@	MIA	L 2-3	.000	29	2	6	3	0	0	2	3	0	9	0	1	35	9	3	1	2	0	0	.207	.265	.310	.575
4	Mariners	4/13/2015	0-1	SEA	@	LAD	L 5-6	.000	35	5	6	0	0	4	5	1	0	15	0	0	36	18	4	0	0	0	0	.171	.194	.514	.709
5	Mariners	4/14/2015	0-1	SEA	@	LAD	L 5-6	.000	36	5	10	1	0	2	5	4	1	12	0	0	42	17	3	1	0	0	0	.278	.366	.472	.838
6	Mariners	4/15/2015	0-1	SEA	@	LAD	L 2-5	.000	34	2	9	1	0	1	2	2	0	7	0	1	36	13	2	0	0	0	0	.265	.306	.382	.688
7	Mariners	4/17/2017	1-0	SEA	vs	MIA	W 6-1	1.000	32	6	8	2	0	3	6	3	0	7	1	0	35	19	5	0	0	1	0	.250	.314	.594	.908
8	Mariners	4/18/2017	0-1	SEA	vs	MIA	L 0-5	.000	28	0	1	1	0	0	0	2	1	4	0	0	31	2	1	0	0	0	0	.036	.129	.071	.200
9	Mariners	4/19/2017	1-0	SEA	vs	MIA	W 10-5	1.000	34	10	11	4	0	0	9	10	1	10	0	1	45	15	4	0	0	1	0	.324	.489	.441	.930
10	Mariners	4/3/2018	1-0	SEA	@	SFG	W 6-4	1.000	34	6	12	2	0	0	6	5	0	7	2	0	41	14	2	1	1	0	2	.353	.425	.412	.837
11	Mariners	4/4/2018	0-1	SEA	@	SFG	L 1-10	.000	34	1	10	2	0	0	1	4	0	5	0	0	38	12	2	0	0	0	2	.294	.368	.353	.721
12	Mariners	4/23/2019	0-1	SEA	@	SDP	L 3-6	.000	31	3	7	3	0	0	3	6	0	8	1	0	38	10	3	0	1	0	1	.226	.342	.323	.665
13	Mariners	4/24/2019	0-1	SEA	@	SDP	L 0-1	.000	28	0	2	0	0	0	0	1	1	10	0	0	30	2	0	0	0	0	1	.071	.133	.071	.205
14	Mariners	4/30/2019	0-1	SEA	vs	CHC	L 5-6	.000	33	5	8	3	0	1	3	7	1	10	0	0	41	14	4	0	0	0	3	.242	.390	.424	.814
15	Mariners	4/1/2021	1-0	SEA	vs	SFG	W 8-7	1.000	32	8	5	3	0	0	7	9	1	9	0	0	43	8	3	0	1	0	0	.156	.349	.250	.599
16	Mariners	4/2/2021	0-1	SEA	vs	SFG	L 3-6	.000	31	3	6	3	0	0	3	4	0	12	0	0	35	9	3	0	0	0	2	.194	.286	.290	.576
17	Mariners	4/3/2021	1-0	SEA	vs	SFG	W 4-0	1.000	31	4	8	4	0	2	4	3	0	8	1	0	34	18	6	0	0	0	1	.258	.324	.581	.904
18	Mariners	4/19/2021	1-0	SEA	vs	LAD	W 4-3	1.000	28	4	4	1	0	2	4	2	1	9	0	1	31	11	3	0	0	0	0	.143	.226	.393	.619
19	Mariners	4/20/2021	0-1	SEA	vs	LAD	L 0-1	.000	28	0	1	0	0	0	0	2	0	14	1	0	30	1	0	0	0	0	0	.036	.100	.036	.136
20	Mariners	4/29/2022	0-1	SEA	@	MIA	L 6-8	.000	36	6	10	3	0	0	6	1	0	9	1	0	38	13	3	0	1	0	0	.278	.289	.361	.651
21	Mariners	4/30/2022	0-1	SEA	@	MIA	L 1-3	.000	30	1	5	0	0	1	1	3	0	9	0	1	33	8	1	0	0	0	1	.167	.242	.267	.509
22	Mariners	4/10/2023	0-1	SEA	@	CHC	L 2-3	.000	34	2	6	2	0	1	2	3	1	9	0	1	39	11	3	0	1	0	0	.176	.256	.324	.580
23	Mariners	4/11/2023	0-1	SEA	@	CHC	L 9-14	.000	38	9	11	3	0	2	9	4	0	8	0	0	43	20	5	0	1	0	0	.289	.349	.526	.875
24	Mariners	4/12/2023	1-0	SEA	@	CHC	W 5-2	1.000	36	5	10	1	0	2	5	3	0	11	0	1	39	17	3	0	0	0	0	.278	.333	.472	.806
25	Mariners	4/14/2023	1-0	SEA	vs	COL	W 5-3	1.000	30	5	7	3	0	1	5	5	1	9	1	0	36	13	4	0	0	0	1	.233	.361	.433	.794
	Total		28-34					.452	2,031	271	468	92	7	72	258	234	29	565	38	20	2,317	790	171	5	18	5	39	.230	.316	.389	.705