most wins in extra innings in a season mlb by a single team

The Arizona Diamondbacks have the most wins by a team in extra innings in a season, with 260 wins in 2013.

	TEAM	W	SEASON	L	W%	G	AB	H	2B	3B	HR	RBI	BB	HBP	SO	PA	TB	XBH	SH	SF	IBB	AVG	OBP	SLG	OPS
1	Diamondbacks	260	2013	76	.774	25	284	74	21	1	3	33	40	2	58	336	106	25	6	3	12	.261	.353	.373	.726
2	Orioles	235	2012	14	.944	18	210	49	9	0	8	33	27	4	47	249	82	17	7	1	5	.233	.331	.390	.721
3	Red Sox	210	2017	47	.817	18	219	60	10	0	3	30	32	5	46	257	79	13	1	0	10	.274	.379	.361	.740
4	Cardinals	208	1974	53	.797	17	213	62	7	0	2	23	32	2	27	261	75	9	8	5	16	.291	.381	.352	.733
5	Expos	201	1988	52	.794	25	213	63	6	5	7	39	25	0	41	253	100	18	12	3	12	.296	.365	.469	.835
6	Pirates	195	1992	59	.768	22	206	54	5	4	1	23	36	0	40	254	70	10	11	1	14	.262	.370	.340	.710
7	Cubs	194	1976	56	.776	23	219	48	6	0	5	22	26	0	34	250	69	11	4	1	8	.219	.301	.315	.616
8	Athletics	191	1988	36	.841	19	192	39	5	0	5	19	26	2	41	227	59	10	5	2	3	.203	.302	.307	.609
9	Phillies	186	1980	55	.772	22	197	53	10	2	1	19	30	2	22	241	70	13	11	1	13	.269	.370	.355	.725
10	Twins	180	2005	39	.822	23	181	55	13	1	5	31	29	2	36	219	85	19	7	0	13	.304	.406	.470	.875
11	Cardinals	176	1992	83	.680	26	226	63	7	1	4	24	23	1	50	259	84	12	8	1	10	.279	.347	.372	.718
12	Mets	175	1985	74	.703	22	217	57	6	1	7	24	26	0	45	249	86	14	4	2	12	.263	.339	.396	.735
13	Orioles	172	1974	41	.808	20	177	45	7	0	3	19	24	1	17	213	61	10	8	3	12	.254	.341	.345	.686
14	Yankees	170	1976	61	.736	18	194	42	2	1	3	19	22	3	23	231	55	6	10	2	8	.216	.303	.284	.587
15	Giants	167	2019	41	.803	16	178	38	10	0	8	26	26	2	46	208	72	18	1	1	6	.213	.319	.404	.723
16	Royals	165	1976	62	.727	20	189	47	10	1	1	13	27	1	21	227	62	12	8	2	12	.249	.342	.328	.671
17	Astros	162	1989	64	.717	20	194	41	5	2	3	13	21	1	43	226	59	10	8	2	10	.211	.289	.304	.593
18	Braves	161	1999	35	.821	22	160	49	5	1	6	24	25	1	24	196	74	12	8	2	13	.306	.399	.463	.861
19	Blue Jays	161	1989	22	.880	17	155	39	8	0	3	26	22	1	30	183	56	11	4	1	5	.252	.346	.361	.708
20	Phillies	159	1991	48	.768	25	166	48	8	0	4	23	28	1	32	207	68	12	10	2	11	.289	.391	.410	.801
21	Rangers	158	1991	103	.605	24	222	71	15	0	5	42	30	0	33	261	101	20	8	1	7	.320	.399	.455	.854
22	Braves	158	1988	85	.650	18	197	51	7	0	2	19	36	0	28	243	64	9	9	1	14	.259	.372	.325	.697
23	Pirates	156	1977	102	.605	23	225	56	8	2	4	24	26	0	43	258	80	14	4	3	11	.249	.323	.356	.678
24	Phillies	154	1986	49	.759	21	165	53	5	0	6	18	25	0	33	203	76	11	10	3	8	.321	.404	.461	.865
25	Rangers	153	1975	62	.712	17	184	49	3	0	3	21	22	0	32	215	61	6	8	1	9	.266	.343	.332	.675