Ernie Koob has faced the most batters in a game with exactly 0 runs allowed, with 69 batters faced against the Red Sox on July 14, 1916.

Interpreted as:

most tbf by a player in a regular-season game with 0 runs allowed

	NAME	TBF	R	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	WP
1	Ernie Koob E. Koob	69	0	7/14/1916	SLA	@	BSA		1	0.00	3	1	1	0	17.0	14	0	0	3	2	0		0
2	Jack Harshman J. Harshman	65	0	8/13/1954	CWS	vs	DET	W	1	0.00	12	1	1	0	16.0	9	0	0	7	0	0	0	0
3	Erskine Mayer E. Mayer	64	0	8/1/1918	PIT	@	BSN		1	0.00	3	0	0	0	15.1	12	0	0	7	2	0		0
4	Tex Carleton T. Carleton	63	0	7/2/1933	SLN	@	NYG		1	0.00	7	0	0	0	16.0	8	0	0	7	0	0		0
5	Ed Summers E. Summers	63	0	7/16/1909	DET	vs	WSH		1		10	1	1	0	18.0	7		0	2	0	0		0
6	Walter Johnson W. Johnson	62	0	5/15/1918	WSH	vs	CWS	W	1	0.00	9	1	1	0	18.0	10	0	0	1	0	0		0
7	Irv Young I. Young	62	0	8/22/1908	PIT	vs	BKN	W	1		3	1	1	0	17.0	9		0	3	0	0		0
8	Rube Benton R. Benton	60	0	7/16/1920	NYG	@	PIT	W	1	0.00	4	1	1	0	17.0	9	0	0	2	0	0		0
9	Ed Walsh E. Walsh	60	0	8/4/1910	CWS	vs	PHA		1		10	1	1	0	16.0	6		0	3	0	0		0
10	Tom Hughes T. Hughes	60	0	9/21/1901	CHO	vs	BSN	W	1	0.00	13	1	1	0	17.0	8	0	0	5	0	0		0
11	Gaylord Perry G. Perry	59	0	9/1/1967	SFG	@	CIN		1	0.00	12	0	0	0	16.0	10	0	0	2	1	0	1	0
12	Juan Marichal J. Marichal	59	0	7/2/1963	SFG	vs	MIL	W	1	0.00	10	1	1	0	16.0	8	0	0	4	0	0	0	0
13	Walt Masterson W. Masterson	59	0	6/8/1947	WSH	@	CWS		1	0.00	7	0	0	0	16.0	6	0	0	6	0	0		0
14	Carl Hubbell C. Hubbell	59	0	7/2/1933	NYG	vs	SLN	W	1	0.00	12	1	1	0	18.0	6	0	0	0	0	0		0
15	George Baumgardner G. Baumgardner	59	0	4/20/1912	SLA	vs	CWS		1	0.00	10	1	1	0	15.0	9	0	0	8	0	0		0
16	Dick Barrett D. Barrett	57	0	7/8/1943	PHN	vs	CIN	W	1	0.00	6	1	1	0	14.0	9	0	0	5	1	0		0
17	Walter Johnson W. Johnson	57	0	7/3/1913	WSH	@	BSA	W	1	0.00	4	1	1	0	15.0	15	0	0	1	0	0		0
18	Chris Short C. Short	56	0	10/2/1965	PHI	@	NYM		1	0.00	18	0	0	0	15.0	9	0	0	3	0	0	1	0
19	Carl Mays C. Mays	56	0	7/14/1916	BSA	vs	SLA		1	0.00	7	0	0	0	15.0	9	0	0	8	0	0		0
20	Phil Douglas P. Douglas	56	0	7/7/1915	BKN	vs	BSN		1	0.00	8	1	1	0	16.0	4	0	0	3	0	0		1
21	Jerry Walker J. Walker	55	0	9/11/1959	BAL	vs	CWS	W	1	0.00	4	1	1	0	16.0	6	0	0	3	0	0	0	0
22	Tommy Bridges T. Bridges	55	0	8/11/1942	DET	@	CLE		1	0.00	8	1	1	0	14.0	9	0	0	5	0	0		0
23	Rube Benton R. Benton	55	0	6/11/1915	CIN	vs	BKN	W	1	0.00	14	1	1	0	15.0	8	0	0	6	1	0		0
24	Russ Ford R. Ford	55	0	10/9/1914	BUF	@	PTF	W	1	0.00	3	1	1	0	16.0	5	0	0	1	0	0		0
25	Watty Lee W. Lee	55	0	8/14/1903	WSH	@	SLA	W	1	0.00	4	1	1	0	15.0	10	0	0	1	0	0		0