highest mlb playoff win percentages by a franchise since 2000

Since 2000, the Kansas City Royals have the best winning percentage by a team in the postseason, winning 67.6 percent of the time.

	TEAM	W%	W	L	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	Royals	.676	25	12	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
2	Giants	.602	50	33	83	2,812	343	678	114	17	69	326	268	18	667	25	17	3,164	1,033	200	41	25	43	39	.241	.309	.367	.676
3	Red Sox	.593	64	44	108	3,768	544	962	207	14	131	522	424	39	862	50	16	4,272	1,590	352	15	26	40	99	.255	.335	.422	.757
4	Phillies	.573	47	35	82	2,643	362	611	134	13	107	346	306	38	684	66	16	3,023	1,092	254	20	16	35	54	.231	.318	.413	.731
5	Astros	.560	75	59	134	4,573	607	1,132	195	8	191	585	471	65	1,055	61	20	5,168	1,916	394	32	27	48	107	.248	.325	.419	.744
6	Rangers	.559	33	26	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
7	Mets	.545	30	25	55	1,845	240	430	75	7	57	232	204	32	444	31	9	2,118	690	139	16	21	19	31	.233	.317	.374	.691
8	Marlins	.542	13	11	24	831	91	194	38	4	18	88	69	12	182	11	7	927	294	60	11	4	10	16	.233	.300	.354	.654
9	White Sox	.538	14	12	26	888	116	232	44	5	31	115	79	20	190	21	9	1,006	379	80	12	7	4	24	.261	.333	.427	.760
10	Nationals	.528	19	17	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
11	Dodgers	.527	77	69	146	4,885	652	1,171	208	22	185	628	552	62	1,289	91	20	5,569	1,978	415	40	30	49	92	.240	.323	.405	.728
12	Yankees	.519	94	87	181	6,148	786	1,468	276	20	216	756	688	74	1,524	92	36	6,998	2,432	512	34	54	52	124	.239	.320	.396	.716
13	Diamondbacks	.509	27	26	53	1,794	219	450	69	9	61	215	169	18	460	40	12	2,016	720	139	25	10	20	39	.251	.320	.401	.721
14	Tigers	.500	32	32	64	2,143	223	508	101	4	62	211	196	24	541	24	9	2,391	803	167	21	7	18	55	.237	.307	.375	.682
15	Cardinals	.493	69	71	140	4,625	584	1,106	221	18	134	542	435	64	1,034	66	21	5,236	1,765	373	80	32	61	89	.239	.311	.382	.693
16	Mariners	.481	13	14	27	925	106	211	44	3	28	102	94	8	231	13	8	1,041	345	75	9	5	7	17	.228	.303	.373	.676
17	Guardians	.468	29	33	62	2,086	238	482	94	4	62	223	177	25	582	27	7	2,316	770	160	17	11	18	45	.231	.298	.369	.667
18	Rockies	.450	9	11	20	685	71	158	31	5	14	69	61	4	173	6	4	765	241	50	9	6	5	9	.231	.295	.352	.647
19	Rays	.438	28	36	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
20	Angels	.438	21	27	48	1,660	207	432	77	9	48	198	118	20	293	30	11	1,836	671	134	27	11	15	31	.260	.315	.404	.719
21	Cubs	.435	27	35	62	2,054	219	446	85	9	72	214	178	24	578	30	6	2,282	765	166	18	8	19	43	.217	.286	.372	.659
22	Braves	.430	37	49	86	2,907	320	662	110	11	93	311	278	25	792	34	14	3,236	1,073	214	14	12	21	44	.228	.300	.369	.669
23	Blue Jays	.414	12	17	29	996	129	242	50	3	39	123	83	11	245	13	1	1,099	415	92	4	5	9	24	.243	.307	.417	.724
24	Brewers	.410	16	23	39	1,300	138	317	68	3	38	132	109	18	347	19	5	1,445	505	109	9	9	13	27	.244	.309	.388	.698
25	Padres	.400	14	21	35	1,160	130	269	44	5	39	127	102	16	296	16	4	1,294	440	88	6	10	5	22	.232	.300	.379	.680