Michael Kopech was 5-12 with an ERA of 5.12 and 130 strikeouts in 27 appearances in 2023.

	NAME	DATE	SEASON	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Michael Kopech M. Kopech	4/3/2023	2023	CWS	vs	SFG	L	1	13.50	5	0	0	0	4.2	8	7	7	5	3	0	0	0	25	0
2	Michael Kopech M. Kopech	4/9/2023	2023	CWS	@	PIT	L	1	1.50	5	0	0	0	6.0	2	1	1	0	3	0	0	0	23	0
3	Michael Kopech M. Kopech	4/15/2023	2023	CWS	vs	BAL		1	5.40	4	0	0	0	5.0	6	3	3	2	4	0	0	0	23	0
4	Michael Kopech M. Kopech	4/21/2023	2023	CWS	@	TBR		1	9.00	9	0	0	0	5.0	6	5	5	1	4	0	0	0	25	0
5	Michael Kopech M. Kopech	4/26/2023	2023	CWS	@	TOR	L	1	7.20	4	0	0	0	5.0	6	4	4	0	2	2	0	0	23	0
6	Michael Kopech M. Kopech	5/2/2023	2023	CWS	vs	MIN		1	1.50	7	0	0	0	6.0	1	1	1	0	5	0	0	0	23	0
7	Michael Kopech M. Kopech	5/7/2023	2023	CWS	@	CIN	W	1	6.00	2	0	0	0	6.0	8	4	4	4	1	1	0	0	28	1
8	Michael Kopech M. Kopech	5/12/2023	2023	CWS	vs	HOU	L	1	3.86	5	0	0	0	4.2	1	2	2	0	6	1	0	0	22	0
9	Michael Kopech M. Kopech	5/19/2023	2023	CWS	vs	KCR	W	1	0.00	10	0	0	0	8.0	1	0	0	0	0	0	0	0	24	0
10	Michael Kopech M. Kopech	5/24/2023	2023	CWS	@	CLE	W	1	0.00	9	0	0	0	7.0	2	0	0	0	1	0	0	0	23	0
11	Michael Kopech M. Kopech	5/29/2023	2023	CWS	vs	LAA	L	1	8.31	10	0	0	0	4.1	5	4	4	2	2	2	0	0	23	2
12	Michael Kopech M. Kopech	6/4/2023	2023	CWS	vs	DET		1	2.57	9	0	0	0	7.0	3	2	2	1	1	0	0	0	25	0
13	Michael Kopech M. Kopech	6/10/2023	2023	CWS	vs	MIA		1	0.00	6	0	0	0	5.0	5	0	0	0	1	2	0	0	22	0
14	Michael Kopech M. Kopech	6/16/2023	2023	CWS	@	SEA		1	2.08	4	0	0	0	4.1	6	1	1	0	6	0	0	0	24	0
15	Michael Kopech M. Kopech	6/21/2023	2023	CWS	vs	TEX	L	1	6.75	5	0	0	0	4.0	4	3	3	1	3	0	0	0	19	1
16	Michael Kopech M. Kopech	6/27/2023	2023	CWS	@	LAA	L	1	4.50	3	0	0	0	4.0	4	2	2	1	7	0	0	0	21	0
17	Michael Kopech M. Kopech	7/14/2023	2023	CWS	@	ATL	L	1	54.00	0	0	0	0	0.2	1	4	4	1	4	1	0	0	8	1
18	Michael Kopech M. Kopech	7/20/2023	2023	CWS	@	NYM	W	1	1.59	5	0	0	0	5.2	2	1	1	1	4	0	0	0	22	0
19	Michael Kopech M. Kopech	7/25/2023	2023	CWS	vs	CHC	L	1	7.20	5	0	0	0	5.0	9	4	5	3	1	0	0	0	25	0
20	Michael Kopech M. Kopech	7/30/2023	2023	CWS	vs	CLE	L	1	5.40	2	0	0	0	5.0	4	3	3	2	5	0	0	0	23	1
21	Michael Kopech M. Kopech	8/5/2023	2023	CWS	@	CLE	W	1	3.38	3	0	0	0	5.1	3	2	2	0	4	0	0	0	22	0
22	Michael Kopech M. Kopech	8/11/2023	2023	CWS	vs	MIL		1	8.31	4	0	0	0	4.1	5	4	4	1	5	0	0	0	23	1
23	Michael Kopech M. Kopech	8/18/2023	2023	CWS	@	COL	L	1	20.25	1	0	0	0	4.0	6	9	9	3	4	0	0	0	22	0
24	Michael Kopech M. Kopech	8/23/2023	2023	CWS	vs	SEA		1	0.00	5	0	0	0	4.0	1	0	0	0	4	1	0	0	17	1
25	Michael Kopech M. Kopech	8/28/2023	2023	CWS	@	BAL	L	1	9.00	5	0	0	0	4.0	7	4	4	0	4	0	0	0	23	1
	Total							27	5.12	130	0	0	0	126.2	108	72	74	28	89	11	0	0	573	9