mlb team with most playoff grand slams in one year

The Boston Red Sox and the Atlanta Braves are tied for the most grand slams in a postseason, with 3 grand slams.

	TEAM	GRANDSLAM	SEASON	G	W%	W	L	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Red Sox	3	2021	120	.544	98	82	390	60	105	17	2	22	59	37	2	89	3	1	433	192	41	3	1	0	13	.269	.335	.492	.827
2	Braves	3	1998	147	.531	78	69	301	33	70	6	1	8	31	40	0	74	6	1	347	102	15	4	2	4	4	.233	.321	.339	.660
3	Blue Jays	2	2025	173	.603	158	104	591	100	168	29	2	27	94	55	8	108	2	1	663	282	58	3	6	7	8	.284	.350	.477	.827
4	Dodgers	2	2024	165	.709	178	73	531	95	126	15	2	27	91	74	7	123	14	3	624	226	44	5	7	3	5	.237	.334	.426	.760
5	Mets	2	2024	149	.537	109	94	435	64	109	13	3	13	64	56	12	116	6	0	510	167	29	0	7	3	8	.251	.347	.384	.731
6	Rangers	2	2023	166	.747	183	62	600	97	151	29	3	30	91	66	7	148	10	0	675	276	62	0	2	3	11	.252	.332	.460	.792
7	Yankees	2	2020	75	.567	59	45	244	46	64	6	1	17	46	36	1	72	2	0	287	123	24	0	6	0	4	.262	.352	.504	.856
8	Cubs	2	2016	246	.617	163	101	587	75	137	31	3	20	73	46	6	152	11	1	645	234	54	1	5	5	8	.233	.293	.399	.692
9	Red Sox	2	2013	180	.640	151	85	520	72	118	29	3	10	67	59	8	165	12	2	594	183	42	2	5	8	10	.227	.313	.352	.664
10	Diamondbacks	2	2011	73	.384	28	45	175	25	48	5	0	10	25	17	1	49	6	1	193	83	15	0	0	1	3	.274	.342	.474	.816
11	Braves	2	1992	180	.444	83	104	434	54	101	17	2	9	50	49	1	76	20	3	492	149	28	4	4	5	5	.233	.309	.343	.653
12	Twins	2	1987	140	.635	106	61	409	72	110	23	4	15	71	49	8	61	10	2	471	186	42	3	2	6	3	.269	.357	.455	.812
13	Dodgers	2	1977	132	.447	59	73	341	50	83	11	4	12	48	30	1	58	5	5	376	138	27	2	2	4	4	.243	.305	.405	.710
14	Orioles	2	1970	83	.843	70	13	280	60	86	13	0	16	57	32	1	52	0	2	318	147	29	3	2	4	7	.307	.378	.525	.903
15	Yankees	2	1956	80	.450	36	44	229	33	58	6	0	12	33	21	0	43	2	0	256	100	18	4	2	5	6	.253	.313	.437	.750
16	Mariners	1	2025	125	.508	94	91	409	49	88	12	1	20	47	48	6	129	7	2	467	162	33	1	3	4	11	.215	.305	.396	.701
17	Guardians	1	2024	117	.390	71	111	345	39	83	18	0	9	39	35	3	88	8	0	387	128	27	2	2	5	5	.241	.314	.371	.685
18	Yankees	1	2024	141	.537	117	101	465	67	106	20	0	22	63	76	6	121	15	2	554	192	42	2	5	7	11	.228	.341	.413	.753
19	Phillies	1	2023	126	.595	113	77	418	61	105	25	1	24	58	50	3	120	16	3	475	204	50	1	3	5	9	.251	.333	.488	.821
20	Braves	1	2021	239	.718	181	71	533	65	131	20	2	23	64	49	4	162	6	1	588	224	45	0	2	5	8	.246	.313	.420	.733
21	Rays	1	2021	44	.197	14	57	147	20	31	10	0	7	19	11	0	46	2	1	158	62	17	0	0	1	1	.211	.266	.422	.688
22	Dodgers	1	2020	196	.709	202	83	602	101	153	33	2	30	97	83	7	167	10	1	697	280	65	1	4	4	8	.254	.349	.465	.814
23	Rays	1	2020	233	.546	177	147	639	79	135	17	2	34	77	63	8	220	4	5	713	258	53	1	2	3	11	.211	.289	.404	.693
24	Yankees	1	2019	86	.532	75	66	305	44	73	13	0	15	42	39	2	91	7	0	347	131	28	0	1	0	5	.239	.329	.430	.758
25	Astros	1	2019	207	.558	154	122	616	71	144	25	0	25	66	66	2	154	11	1	687	244	50	1	2	4	11	.234	.309	.396	.705