The San Francisco Giants and the Tampa Bay Rays were tied for the highest winning percentage on Thursdays in 2021, winning 70.6 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	Giants	.706	12	5	17	582	100	149	37	6	23	94	56	7	146	5	0	651	267	66	2	4	6	8	.256	.327	.459	.785
2	Rays	.706	12	5	17	574	97	139	26	4	23	91	73	12	177	18	4	667	242	53	0	8	5	6	.242	.336	.422	.757
3	Mariners	.684	13	6	19	611	83	133	24	0	32	81	70	6	159	9	2	694	253	56	3	4	0	8	.218	.302	.414	.717
4	Astros	.667	12	6	18	628	106	166	39	1	26	104	66	7	119	7	2	710	285	66	4	5	5	11	.264	.339	.454	.792
5	Padres	.667	10	5	15	502	73	123	31	3	18	70	52	6	121	14	4	568	214	52	2	6	3	9	.245	.320	.426	.746
6	Indians	.632	12	7	19	625	80	150	28	3	24	77	63	3	160	15	1	697	256	55	2	4	3	12	.240	.311	.410	.720
7	Cardinals	.611	11	7	18	572	75	117	23	3	20	68	58	12	152	7	2	649	206	46	4	3	5	13	.205	.290	.360	.650
8	Braves	.579	11	8	19	634	88	135	22	3	32	84	71	12	190	9	2	721	259	57	1	3	5	9	.213	.303	.409	.711
9	Athletics	.571	12	9	21	696	98	160	40	1	21	91	100	15	169	13	3	819	265	62	1	7	0	15	.230	.336	.381	.717
10	Red Sox	.556	10	8	18	624	100	163	36	2	18	92	66	11	146	11	3	707	257	56	1	5	3	12	.261	.340	.412	.752
11	Reds	.556	10	8	18	619	95	169	34	1	29	90	62	11	158	4	1	702	292	64	5	5	4	12	.273	.347	.472	.819
12	Dodgers	.556	10	8	18	568	68	136	19	3	20	65	58	9	141	7	2	642	221	42	2	5	3	16	.239	.317	.389	.706
13	Angels	.556	10	8	18	590	81	139	29	3	17	80	54	5	169	6	4	654	225	49	1	4	0	9	.236	.303	.381	.685
14	Phillies	.550	11	9	20	664	98	154	43	3	21	94	72	6	181	9	1	749	266	67	4	3	8	5	.232	.311	.401	.712
15	White Sox	.550	11	9	20	638	92	171	30	2	30	88	53	5	157	4	2	703	295	62	2	5	0	15	.268	.327	.462	.789
16	Cubs	.529	9	8	17	575	76	141	19	2	23	72	48	6	162	13	4	640	233	44	5	6	6	19	.245	.307	.405	.712
17	Brewers	.500	9	9	18	608	87	146	40	2	20	84	66	10	151	6	1	688	250	62	3	1	1	12	.240	.324	.411	.735
18	Rockies	.500	9	9	18	605	94	164	28	4	19	87	42	6	130	9	3	662	257	51	7	2	3	12	.271	.324	.425	.748
19	Mets	.471	8	9	17	522	56	124	25	2	16	53	62	12	136	7	0	600	201	43	3	1	3	16	.238	.332	.385	.717
20	Royals	.421	8	11	19	641	72	157	25	2	20	66	44	6	153	8	4	700	246	47	3	6	0	16	.245	.297	.384	.681
21	Blue Jays	.421	8	11	19	664	96	182	38	0	22	96	55	8	157	9	1	730	286	60	1	2	0	15	.274	.336	.431	.767
22	Diamondbacks	.421	8	11	19	670	103	175	41	7	21	102	70	12	174	7	2	760	293	69	5	3	3	12	.261	.340	.437	.778
23	Yankees	.409	9	13	22	716	89	164	24	2	34	86	86	7	206	9	2	818	294	60	3	6	2	15	.229	.315	.411	.726
24	Tigers	.381	8	13	21	701	100	182	34	10	30	98	56	4	190	11	8	768	326	74	0	7	0	7	.260	.315	.465	.780
25	Twins	.368	7	12	19	627	83	154	35	1	25	78	72	7	179	7	1	716	266	61	4	6	1	14	.246	.327	.424	.751