least loses in mlb history in a single postseason by team

7 teams are tied for losing the fewest games in a postseason, with 0 losses. The first three are the Cincinnati Reds in 1976, the Baltimore Orioles in 1966 and the Los Angeles Dodgers in 1963.

	TEAM	L	SEASON	W	L%	G	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	Reds	0	1976	7	.000	7	1.000	233	41	67	15	6	7	38	27	0	32	12	5	266	115	28	1	5	5	6	.288	.355	.494	.848
2	Orioles	0	1966	4	.000	4	1.000	120	13	24	3	1	4	10	11	0	17	0	1	133	41	8	2	0	2	4	.200	.267	.342	.609
3	Dodgers	0	1963	4	.000	4	1.000	117	12	25	3	2	3	12	11	0	25	2	1	131	41	8	2	1	2	5	.214	.279	.350	.629
4	Giants	0	1954	4	.000	4	1.000	130	21	33	3	0	2	20	17	0	24	1	1	155	42	5	6	2	4	1	.254	.336	.323	.659
5	Yankees	0	1950	4	.000	4	1.000	135	11	30	3	1	2	10	13	1	12	1	1	151	41	6	2		1	0	.222	.295	.304	.599
6	Yankees	0	1939	4	.000	4	1.000	131	20	27	4	1	7	18	9	0	20	0	0	142	54	12	2		1	1	.206	.257	.412	.669
7	Yankees	0	1938	4	.000	4	1.000	135	22	37	6	1	5	21	11	1	16	3	2	148	60	12	1		1	2	.274	.333	.444	.778
8	Yankees	0	1932	4	.000	4	1.000	144	37	45	6	0	8	36	23	4	26	0	2	172	75	14	1		3	5	.313	.421	.521	.942
9	Yankees	0	1928	4	.000	4	1.000	134	27	37	7	0	9	25	13	1	13	4	0	151	71	16	3		0	3	.276	.345	.530	.874
10	Yankees	0	1927	4	.000	4	1.000	136	23	38	6	2	2	19	13	1	25	2	0	152	54	10	2		1	2	.279	.347	.397	.744
11	Giants	0	1922	4	.000	5	1.000	162	18	50	2	1	1	18	12	0	15	1	3	177	57	4	3		1	6	.309	.356	.352	.708
12	Braves	0	1914	4	.000	4	1.000	135	16	33	6	2	1	14	15	1	18	9	3	153	46	9	2		1	3	.244	.325	.341	.665
13	Cubs	0	1907	4	.000	5	1.000	166	19	42	6	1	0	15	13	4	26	15	5	192	50	7	9		0	0	.253	.322	.301	.624
14	Cardinals	1	2021	0	1.000	1	.000	32	1	5	0	0	0	0	4	2	10	3	0	39	5	0	1	0	0	0	.156	.289	.156	.446
15	Yankees	1	2021	0	1.000	1	.000	32	2	6	0	0	2	2	0	0	11	0	0	32	12	2	0	0	0	0	.188	.188	.375	.563
16	Athletics	1	2019	0	1.000	1	.000	33	1	8	0	0	0	1	3	0	12	0	0	37	8	0	0	1	0	2	.242	.297	.242	.540
17	Brewers	1	2019	0	1.000	1	.000	32	3	7	2	0	2	3	3	0	11	0	0	36	15	4	1	0	0	1	.219	.286	.469	.754
18	Cubs	1	2018	0	1.000	1	.000	43	1	6	1	0	0	1	5	0	16	2	0	49	7	1	1	0	1	1	.140	.229	.163	.392
19	Athletics	1	2018	0	1.000	1	.000	33	2	5	0	0	1	2	5	0	13	0	0	38	8	1	0	0	0	0	.152	.263	.242	.506
20	Twins	1	2017	0	1.000	1	.000	35	4	9	1	0	2	4	4	0	13	1	0	39	16	3	0	0	0	1	.257	.333	.457	.790
21	Rockies	1	2017	0	1.000	1	.000	38	8	13	3	0	2	8	1	0	6	0	0	40	22	5	1	0	0	1	.342	.359	.579	.938
22	Orioles	1	2016	0	1.000	1	.000	37	2	4	0	0	1	2	1	0	12	1	0	38	7	1	0	0	0	0	.108	.132	.189	.321
23	Mets	1	2016	0	1.000	1	.000	30	0	4	1	0	0	0	2	0	6	0	0	32	5	1	0	0	1	1	.133	.188	.167	.354
24	Pirates	1	2015	0	1.000	1	.000	30	0	5	0	0	0	0	0	2	11	0	0	32	5	0	0	0	0	2	.167	.219	.167	.385
25	Yankees	1	2015	0	1.000	1	.000	30	0	3	0	0	0	0	2	0	10	0	0	32	3	0	0	0	0	0	.100	.156	.100	.256