Since 1975, 4 pitchers are tied for pitching the most innings in a game, with 14 innings. The first three are Steve McCatty on August 10, 1980, Rick Langford on July 20, 1980 and Mike Norris on June 11, 1980.

Interpreted as:

most ip by a player in a regular-season game since 1975

	NAME	IP	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	H	ER	R	HR	BB	HBP	GF	IBB	TBF	WP
1	Steve McCatty S. McCatty	14.0	8/10/1980	OAK	vs	SEA	L	1	1.29	8	1	0	0	6	2	2	1	4	0	0	0	51	0
2	Rick Langford R. Langford	14.0	7/20/1980	OAK	vs	CLE	W	1	2.57	4	1	0	0	8	4	5	1	1	0	0	1	52	1
3	Mike Norris M. Norris	14.0	6/11/1980	OAK	vs	BAL	W	1	1.29	5	1	0	0	12	2	2	1	2	0	0	0	51	0
4	Matt Keough M. Keough	14.0	5/17/1980	OAK	@	TOR	W	1	0.64	8	1	0	0	5	1	2	0	6	0	0	0	48	0
5	Charlie Hough C. Hough	13.0	6/11/1986	TEX	@	MIN		1	1.38	7	0	0	0	8	2	2	0	2	0	0	0	47	0
6	Tommy John T. John	13.0	9/14/1983	CAL	vs	KCR		1	0.00	6	0	0	0	13	0	0	0	0	0	0	0	47	0
7	Larry Gura L. Gura	13.0	5/21/1980	KCR	vs	OAK		1	1.38	6	0	0	0	12	2	2	0	2	0	0	0	53	0
8	Vida Blue V. Blue	13.0	5/17/1977	OAK	vs	NYY		1	1.38	6	0	0	0	7	2	2	0	4	0	0	1	49	0
9	Catfish Hunter C. Hunter	13.0	8/27/1976	NYY	@	CAL		1	0.00	8	0	0	0	11	0	0	0	4	1	0	1	52	0
10	Frank Tanana F. Tanana	13.0	8/27/1976	CAL	vs	NYY		1	0.00	13	0	0	0	7	0	0	0	2	0	0	1	50	0
11	Frank Tanana F. Tanana	13.0	9/22/1975	CAL	vs	CWS		1	0.00	13	0	0	0	6	0	0	0	3	0	0	1	46	0
12	Tommy John T. John	12.0	7/30/1983	CAL	vs	OAK	L	1	1.50	2	1	0	0	9	2	2	0	3	1	0	3	47	0
13	Charlie Hough C. Hough	12.0	5/22/1982	TEX	@	KCR	W	1	0.75	5	1	0	0	6	1	1	0	2	0	0	1	44	0
14	Dick Ruthven D. Ruthven	12.0	7/25/1980	PHI	vs	ATL	W	1	3.00	6	1	0	0	8	4	4	1	5	0	0	0	45	0
15	Dave Stieb D. Stieb	12.0	5/17/1980	TOR	vs	OAK		1	1.50	2	0	0	0	10	2	2	0	5	0	0	1	49	0
16	Mike Flanagan M. Flanagan	12.0	8/15/1979	BAL	vs	CWS	W	1	0.75	12	1	0	0	5	1	1	1	1	0	0	0	41	1
17	Randy Jones R. Jones	12.0	9/1/1978	SDP	vs	MON	L	1	1.50	5	1	0	0	9	2	3	0	1	0	0	0	46	0
18	Dave Rozema D. Rozema	12.0	8/23/1978	DET	vs	TOR	L	1	3.00	3	1	0	0	13	4	4	1	1	0	0	0	46	0
19	Jesse Jefferson J. Jefferson	12.0	5/23/1978	TOR	vs	BOS	W	1	0.75	3	1	0	0	7	1	1	1	2	0	0	0	42	0
20	Dennis Eckersley D. Eckersley	12.0	5/25/1977	CLE	vs	SEA	W	1	0.75	5	1	0	0	5	1	1	0	1	0	0	0	41	0
21	Luis Tiant L. Tiant	12.0	10/3/1976	BOS	vs	BAL		1	1.50	4	0	0	0	11	2	2	1	2	0	0	0	45	0
22	Vida Blue V. Blue	12.0	10/1/1976	OAK	vs	CAL	L	1	0.75	4	1	0	0	8	1	2	1	4	0	0	1	46	0
23	Jim Slaton J. Slaton	12.0	7/23/1976	MIL	@	BAL	W	1	1.50	3	0	0	0	6	2	2	1	5	0	0	2	45	0
24	Steve Hargan S. Hargan	12.0	7/18/1976	TEX	vs	NYY	W	1	0.00	10	1	0	0	9	0	2	0	1	0	0	0	48	1
25	Jim Kaat J. Kaat	12.0	9/2/1975	CWS	vs	KCR	L	1	0.75	7	1	0	0	14	1	4	0	1	0	0	0	52	0