Since 2003, the Houston Astros have the most wins by a team in the postseason, with 75 wins.

	TEAM	W	L	W%	G	AB	R	H	2B	3B	HR	RBI	BB	HBP	SO	SB	CS	PA	TB	XBH	SH	SF	IBB	GIDP	AVG	OBP	SLG	OPS
1	Astros	75	56	.573	131	4,478	601	1,113	193	8	188	579	463	65	1,039	61	19	5,065	1,886	389	32	27	48	102	.249	.326	.421	.747
2	Dodgers	73	69	.514	142	4,743	625	1,130	198	22	179	602	540	57	1,253	91	20	5,408	1,909	399	38	30	46	92	.238	.322	.402	.724
3	Yankees	69	69	.500	138	4,705	609	1,108	210	16	177	585	542	54	1,204	76	22	5,362	1,881	403	24	37	38	93	.235	.319	.400	.719
4	Red Sox	63	42	.600	105	3,672	538	943	204	14	130	516	414	38	832	49	16	4,164	1,565	348	14	26	40	95	.257	.336	.426	.762
5	Cardinals	59	60	.496	119	3,918	491	925	192	17	110	454	376	56	898	51	16	4,433	1,481	319	58	25	53	81	.236	.310	.378	.688
6	Phillies	47	33	.588	80	2,579	356	598	131	11	107	340	299	37	662	65	15	2,950	1,072	249	20	15	35	53	.232	.319	.416	.734
7	Giants	39	23	.629	62	2,107	241	502	89	13	40	226	183	13	500	16	15	2,345	737	142	25	17	20	29	.238	.301	.350	.651
8	Rangers	33	26	.559	59	2,039	283	507	99	6	77	268	187	19	444	37	15	2,268	849	182	11	12	20	46	.249	.316	.416	.732
9	Braves	31	39	.443	70	2,374	255	535	89	9	76	250	225	22	685	30	6	2,644	870	174	12	11	18	32	.225	.297	.366	.664
10	Tigers	29	29	.500	58	1,939	205	469	93	4	60	193	173	20	473	23	9	2,157	750	157	18	7	17	53	.242	.309	.387	.696
11	Rays	28	36	.438	64	2,135	253	476	79	8	95	248	184	18	641	39	14	2,349	856	182	5	7	9	43	.223	.289	.401	.690
12	Guardians	26	28	.481	54	1,823	202	421	81	3	54	190	155	24	515	26	6	2,029	670	138	17	10	17	37	.231	.298	.368	.666
13	Royals	25	12	.676	37	1,272	174	322	57	5	30	165	98	16	261	33	10	1,415	479	92	12	17	10	24	.253	.311	.377	.687
14	Cubs	25	32	.439	57	1,901	207	413	80	9	65	202	168	22	520	30	4	2,114	706	154	16	7	17	39	.217	.287	.371	.659
15	Mets	22	19	.537	41	1,363	180	317	48	6	46	177	146	23	342	26	5	1,558	515	100	10	16	13	25	.233	.314	.378	.692
16	Nationals	19	17	.528	36	1,221	147	274	47	3	40	140	132	12	343	17	1	1,387	447	90	13	9	13	16	.224	.304	.366	.670
17	Diamondbacks	16	17	.485	33	1,122	144	290	42	9	48	142	105	10	308	33	7	1,256	494	99	12	7	7	25	.258	.326	.440	.766
18	Brewers	14	23	.378	37	1,230	122	293	64	3	35	117	102	17	334	19	5	1,367	468	102	9	9	13	24	.238	.303	.380	.684
19	White Sox	14	9	.609	23	796	109	215	38	3	30	109	64	19	174	17	9	894	349	71	10	5	3	19	.270	.337	.438	.776
20	Padres	13	19	.406	32	1,065	125	251	39	5	37	122	97	14	276	13	4	1,189	411	81	4	9	5	21	.236	.305	.386	.691
21	Marlins	13	11	.542	24	831	91	194	38	4	18	88	69	12	182	11	7	927	294	60	11	4	10	16	.233	.300	.354	.654
22	Athletics	12	20	.375	32	1,076	114	239	41	4	36	106	105	10	285	6	1	1,200	396	81	4	5	7	20	.222	.296	.368	.664
23	Blue Jays	10	16	.385	26	886	100	204	42	3	30	95	76	10	227	13	1	979	342	75	4	3	8	23	.230	.297	.386	.683
24	Angels	10	22	.313	32	1,095	106	251	47	6	24	103	79	14	211	19	9	1,213	382	77	19	6	7	18	.229	.288	.349	.637
25	Rockies	9	11	.450	20	685	71	158	31	5	14	69	61	4	173	6	4	765	241	50	9	6	5	9	.231	.295	.352	.647