The Chicago Cubs and the Chicago White Sox were tied for their most wins in a season on April 9, with 1 win.

Interpreted as:

chicago ws in a season record on april 9th all-time

	TEAM	W	SEASON	L	W%	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	Cubs	1	2024	0	1.000	1	35	5	9	0	0	2	5	3	1	11	0	0	39	15	2	0	0	0	1	.257	.333	.429	.762
2	White Sox	1	2024	0	1.000	1	36	7	12	5	0	0	7	2	0	10	0	0	39	17	5	1	0	0	1	.333	.368	.472	.841
3	Cubs	1	2022	0	1.000	1	33	9	10	1	0	0	8	7	3	8	0	0	44	11	1	0	1	0	0	.303	.455	.333	.788
4	White Sox	1	2022	0	1.000	1	36	5	10	2	1	1	5	0	0	5	1	0	37	17	4	1	0	0	0	.278	.278	.472	.750
5	Cubs	1	2017	0	1.000	1	37	7	11	1	1	2	7	5	0	8	2	0	42	20	4	0	0	0	2	.297	.381	.541	.921
6	Cubs	1	2016	0	1.000	1	35	4	10	4	0	0	4	5	1	10	0	0	42	14	4	0	1	1	2	.286	.381	.400	.781
7	White Sox	1	2016	0	1.000	1	35	7	10	1	0	2	6	3	0	4	0	0	38	17	3	0	0	1	0	.286	.342	.486	.828
8	Cubs	1	2014	0	1.000	1	36	7	14	5	0	2	7	4	0	8	0	0	41	25	7	1	0	1	1	.389	.450	.694	1.144
9	Cubs	1	2013	0	1.000	1	32	6	9	3	0	0	6	4	0	5	0	0	38	12	3	1	1	1	0	.281	.351	.375	.726
10	White Sox	1	2012	0	1.000	1	37	4	11	3	0	2	4	3	0	10	0	1	40	20	5	0	0	0	0	.297	.350	.541	.891
11	White Sox	1	2011	0	1.000	1	29	4	7	4	0	0	4	6	1	4	2	0	38	11	4	1	1	0	0	.241	.378	.379	.758
12	Cubs	1	2008	0	1.000	1	54	6	14	1	0	1	5	8	1	11	0	1	66	18	2	3	0	2	2	.259	.365	.333	.698
13	White Sox	1	2007	0	1.000	1	31	4	9	1	0	2	4	3	0	6	1	0	36	16	3	1	1	1	2	.290	.343	.516	.859
14	Cubs	1	2006	0	1.000	1	34	8	12	1	0	2	7	3	0	4	0	0	37	19	3	0	0	0	2	.353	.405	.559	.964
15	White Sox	1	2006	0	1.000	1	32	3	5	2	0	1	3	4	0	4	0	0	37	10	3	1	0	0	0	.156	.250	.313	.563
16	Cubs	1	2005	0	1.000	1	32	4	8	1	0	1	4	2	0	5	1	0	34	12	2	0	0	0	0	.250	.294	.375	.669
17	White Sox	1	2005	0	1.000	1	35	8	8	1	0	3	7	0	0	2	0	0	36	18	4	0	1	0	0	.229	.222	.514	.737
18	Cubs	1	2004	0	1.000	1	54	2	12	3	0	1	2	8	0	12	1	0	64	18	4	1	1	2	1	.222	.317	.333	.651
19	White Sox	1	2004	0	1.000	1	37	9	10	2	0	2	8	5	0	10	3	0	43	18	4	0	1	0	0	.270	.349	.486	.835
20	Cubs	1	2003	0	1.000	1	29	3	7	3	0	1	3	0	0	15	0	0	29	13	4	0	0	0	2	.241	.241	.448	.690
21	Cubs	1	2002	0	1.000	1	33	2	8	2	0	0	2	6	0	5	2	0	41	10	2	1	1	1	0	.242	.350	.303	.653
22	White Sox	1	2002	0	1.000	1	40	8	14	5	1	1	8	2	1	4	0	0	44	24	7	0	1	0	0	.350	.386	.600	.986
23	White Sox	1	2001	0	1.000	1	36	9	14	5	1	1	9	2	0	6	0	0	39	24	7	0	1	0	1	.389	.410	.667	1.077
24	Cubs	1	1998	0	1.000	1	36	8	14	1	1	1	8	6	1	5	0	1	43	20	3	0	0	0	0	.389	.488	.556	1.044
25	Cubs	1	1994	0	1.000	1	35	4	11	1	1	1	4	2	0	7	0	1	40	17	3	2	1	0	0	.314	.342	.486	.828