The Philadelphia Phillies had the best winning percentage by a team in 2011, winning 80.8 percent of the time on Wednesdays.

	TEAM	W%	WEEKDAY	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	Phillies	.808	Wednesday	21	5	26	913	128	232	43	9	28	123	95	10	170	18	4	1,039	377	80	13	8	9	25	.254	.328	.413	.741
2	Brewers	.760	Saturday	19	6	25	860	135	241	56	7	39	132	80	5	182	12	7	965	428	102	13	7	11	12	.280	.342	.498	.840
3	Rangers	.760	Friday	19	6	25	914	178	269	59	3	41	169	75	11	156	14	4	1,012	457	103	6	6	5	17	.294	.353	.500	.853
4	Red Sox	.741	Sunday	20	7	27	961	143	261	55	7	32	138	105	10	198	15	10	1,095	426	94	6	13	9	19	.272	.345	.443	.789
5	Yankees	.731	Saturday	19	7	26	885	160	261	49	5	43	155	98	9	174	19	12	1,008	449	97	5	11	2	26	.295	.367	.507	.874
6	Dodgers	.731	Friday	19	7	26	872	117	222	40	1	23	108	94	8	178	21	6	995	333	64	13	8	15	13	.255	.330	.382	.712
7	Rangers	.722	Monday	13	5	18	654	118	211	48	7	25	113	52	1	105	10	2	719	348	80	4	8	2	13	.323	.369	.532	.901
8	Diamondbacks	.706	Thursday	12	5	17	578	71	142	23	1	26	70	49	7	129	13	0	641	245	50	5	2	9	10	.246	.311	.424	.735
9	Braves	.706	Thursday	12	5	17	583	75	145	29	3	22	71	55	3	124	6	7	652	246	54	8	3	8	9	.249	.315	.422	.737
10	Yankees	.704	Sunday	19	8	27	924	146	238	37	6	43	139	102	11	193	22	9	1,052	416	86	6	9	10	23	.258	.336	.450	.786
11	Brewers	.704	Sunday	19	8	27	908	119	239	45	7	28	114	67	10	178	16	4	1,007	382	80	19	3	8	16	.263	.320	.421	.741
12	Cardinals	.700	Thursday	14	6	20	704	132	205	44	3	32	127	74	3	126	8	4	795	351	79	10	4	6	19	.291	.359	.499	.858
13	Tigers	.696	Tuesday	16	7	23	807	114	236	48	3	16	108	87	4	168	9	6	915	338	67	6	11	12	27	.292	.360	.419	.779
14	Tigers	.692	Sunday	18	8	26	880	136	242	38	2	30	127	80	6	210	9	0	975	374	70	3	6	6	27	.275	.337	.425	.762
15	Pirates	.682	Monday	15	7	22	711	92	185	38	7	14	87	63	4	171	10	6	791	279	59	9	4	4	15	.260	.322	.392	.715
16	Brewers	.680	Friday	17	8	25	845	129	224	39	3	33	122	81	8	168	18	4	958	368	75	16	8	7	17	.265	.332	.436	.768
17	Giants	.680	Wednesday	17	8	25	866	101	232	54	8	15	96	67	8	167	17	12	959	347	77	10	8	7	16	.268	.323	.401	.724
18	Phillies	.680	Saturday	17	8	25	854	115	220	47	7	21	110	83	8	155	12	4	959	344	75	11	3	10	18	.258	.328	.403	.731
19	Phillies	.667	Thursday	12	6	18	617	73	154	33	1	18	72	53	3	133	10	3	679	243	52	4	2	2	7	.250	.311	.394	.705
20	Cardinals	.667	Tuesday	16	8	24	861	125	251	45	5	24	123	83	4	147	11	2	962	378	74	6	8	14	21	.292	.354	.439	.793
21	Yankees	.667	Monday	12	6	18	597	86	151	26	4	16	83	64	4	124	17	4	673	233	46	2	6	3	20	.253	.326	.390	.717
22	Diamondbacks	.654	Tuesday	17	9	26	888	139	237	53	5	35	136	80	7	199	23	9	986	405	93	6	5	9	10	.267	.331	.456	.787
23	Blue Jays	.654	Friday	17	9	26	881	114	224	49	4	23	106	82	7	185	29	7	982	350	76	4	8	10	20	.254	.320	.397	.717
24	Brewers	.652	Tuesday	15	8	23	781	105	212	32	4	28	104	83	11	140	14	5	899	336	64	16	8	4	17	.271	.347	.430	.777
25	White Sox	.650	Monday	13	7	20	655	72	164	30	1	20	70	55	7	123	13	9	727	256	51	5	5	4	14	.250	.313	.391	.704