32 pitchers were tied for pitching the most innings in a game in 2015, with 9 innings. The first three are Cole Hamels on October 4, 2015 and on July 25, 2015, Max Scherzer on October 3, 2015 and Jose Quintana on September 30, 2015 and on July 24, 2015.

Interpreted as:

most innings pitched by a player in a regular-season game 2015

	NAME	IP	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Cole Hamels C. Hamels	9.0	10/4/2015	TEX	vs	LAA	W	1	2.00	8	1	0	0	3	2	2	1	2	1	0	0	33	0
2	Max Scherzer M. Scherzer	9.0	10/3/2015	WSH	@	NYM	W	1	0.00	17	1	1	0	0	0	0	0	0	0	0	0	28	0
3	Jose Quintana J. Quintana	9.0	9/30/2015	CWS	vs	KCR		1	3.00	8	0	0	0	5	3	3	2	2	0	0	0	36	0
4	Mike Leake M. Leake	9.0	9/30/2015	SFG	vs	LAD	W	1	0.00	1	1	1	0	2	0	0	0	3	0	0	0	30	1
5	Clayton Kershaw C. Kershaw	9.0	9/29/2015	LAD	@	SFG	W	1	0.00	13	1	1	0	1	0	0	0	1	0	0	0	29	1
6	Rich Hill R. Hill	9.0	9/25/2015	BOS	vs	BAL	W	1	0.00	10	1	1	0	2	0	0	0	1	0	0	0	30	0
7	Carlos Carrasco C. Carrasco	9.0	9/25/2015	CLE	@	KCR	W	1	0.00	15	1	1	0	1	0	0	0	2	0	0	0	29	0
8	Jake Arrieta J. Arrieta	9.0	9/22/2015	CHC	vs	MIL	W	1	0.00	11	1	1	0	3	0	0	0	1	0	0	0	31	0
9	Jeff Samardzija J. Samardzija	9.0	9/21/2015	CWS	@	DET	W	1	0.00	6	1	1	0	1	0	0	0	0	0	0	0	28	0
10	Josh Tomlin J. Tomlin	9.0	9/15/2015	CLE	vs	KCR	L	1	2.00	6	1	0	0	4	2	2	1	0	1	0	0	31	1
11	Jon Lester J. Lester	9.0	9/15/2015	CHC	@	PIT	W	1	1.00	9	1	0	0	5	1	1	0	1	1	0	0	32	1
12	Madison Bumgarner M. Bumgarner	9.0	9/12/2015	SFG	vs	SDP	W	1	0.00	9	1	1	0	1	0	0	0	0	0	0	0	28	0
13	Colby Lewis C. Lewis	9.0	9/11/2015	TEX	vs	OAK	W	1	0.00	4	1	1	0	2	0	0	0	0	0	0	0	29	0
14	Wade Miley W. Miley	9.0	9/5/2015	BOS	vs	PHI	W	1	2.00	8	1	0	0	5	2	2	0	0	0	0	0	32	0
15	Bartolo Colon B. Colon	9.0	9/5/2015	NYM	@	MIA	W	1	0.00	2	1	1	0	9	0	0	0	0	0	0	0	33	0
16	Josh Tomlin J. Tomlin	9.0	9/4/2015	CLE	@	DET	W	1	1.00	6	1	0	0	4	1	1	0	1	0	0	0	32	0
17	John Danks J. Danks	9.0	9/4/2015	CWS	@	KCR	W	1	1.00	5	1	0	0	7	1	1	0	1	0	0	0	33	0
18	Chris Rusin C. Rusin	9.0	9/3/2015	COL	vs	SFG	W	1	3.00	5	1	0	0	6	3	3	1	1	0	0	0	32	0
19	R.A. Dickey	9.0	9/2/2015	TOR	vs	CLE	W	1	1.00	6	1	0	0	4	1	1	0	0	0	0	0	29	0
20	Clayton Kershaw C. Kershaw	9.0	9/2/2015	LAD	vs	SFG	W	1	1.00	15	1	0	0	6	1	1	0	1	0	0	0	32	0
21	Derek Holland D. Holland	9.0	8/30/2015	TEX	vs	BAL	W	1	0.00	11	1	1	0	3	0	0	0	0	1	0	0	31	0
22	Jake Arrieta J. Arrieta	9.0	8/30/2015	CHC	@	LAD	W	1	0.00	12	1	1	0	0	0	0	0	1	0	0	0	29	0
23	Justin Verlander J. Verlander	9.0	8/26/2015	DET	vs	LAA	W	1	0.00	9	1	1	0	1	0	0	0	2	0	0	0	28	0
24	Mike Fiers M. Fiers	9.0	8/21/2015	HOU	vs	LAD	W	1	0.00	10	1	1	0	0	0	0	0	3	0	0	0	30	0
25	Alfredo Simon A. Simon	9.0	8/20/2015	DET	vs	TEX	W	1	0.00	5	1	1	0	1	0	0	0	2	0	0	0	31	0