most runs allowed by a pitcher in a game since 1950

Since 1950, Vin Mazzaro, Mike Oquist and Bill Travers are tied for allowing the most runs in a game, with 14 runs.

Interpreted as:

most runs allowed by a pitcher in a regular-season game since 1950

	NAME	R	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	ER	HR	BB	HBP	GF	IBB	TBF	WP
1	Vin Mazzaro V. Mazzaro	14	5/16/2011	KCR	vs	CLE		0	54.00	2	0	0	0	2.1	11	14	1	3	0	0	0	21	1
2	Mike Oquist M. Oquist	14	8/3/1998	OAK	vs	NYY	L	1	25.20	3	0	0	0	5.0	16	14	4	3	0	0	0	32	0
3	Bill Travers B. Travers	14	8/14/1977	MIL	@	CLE	L	1	16.43	4	0	0	0	7.2	18	14	2	4	1	0	0	45	2
4	Ben Lively B. Lively	13	8/1/2023	CIN	@	CHC	L	1	29.25	2	0	0	0	4.0	13	13	4	2	1	0	0	27	0
5	Jordan Yamamoto J. Yamamoto	13	9/9/2020	MIA	@	ATL		0	40.50	3	0	0	0	2.2	11	12	4	2	0	0	0	22	0
6	Colby Lewis C. Lewis	13	7/10/2014	TEX	vs	LAA	L	1	42.43	1	0	0	0	2.1	13	11	1	0	0	0	0	20	0
7	Scott Kazmir S. Kazmir	13	7/10/2010	LAA	@	OAK	L	1	23.40	2	0	0	0	5.0	11	13	3	3	1	0	1	30	2
8	Jason Marquis J. Marquis	13	6/21/2006	STL	@	CWS	L	1	23.40	3	0	0	0	5.0	14	13	4	1	0	0	0	30	0
9	Mike Busby M. Busby	13	4/7/1996	STL	@	ATL	L	1	18.00	4	0	0	0	4.0	9	8	4	4	1	0	0	28	0
10	David Wells D. Wells	13	8/20/1992	TOR	@	MIL	L	1	27.00	1	0	0	0	4.1	11	13	1	4	2	0	0	29	0
11	Galen Cisco G. Cisco	13	7/27/1962	BOS	@	WSH	L	1	18.56	2	0	0	0	5.1	16	11	2	4	0	0	0	36	0
12	Jesús Luzardo J. Luzardo	12	5/31/2025	PHI	vs	MIL	L	1	32.40	4	0	0	0	3.1	12	12	2	3	0	0	0	23	0
13	Bradley Blalock B. Blalock	12	5/10/2025	COL	vs	SDP	L	1	29.45	1	0	0	0	3.2	13	12	3	2	0	0	0	26	1
14	Tanner Houck T. Houck	12	4/14/2025	BOS	@	TBR	L	1	42.43	1	0	0	0	2.1	10	11	2	2	0	0	0	20	1
15	Masahiro Tanaka M. Tanaka	12	7/25/2019	NYY	@	BOS	L	1	32.40	4	0	0	0	3.1	12	12	2	3	0	0	0	25	0
16	Edinson Volquez E. Volquez	12	6/24/2016	KCR	vs	HOU	L	1	99.00	0	0	0	0	1.0	8	11	1	3	0	0	0	15	0
17	Hiram Burgos H. Burgos	12	5/11/2013	MIL	@	CIN	L	1	30.00	2	0	0	0	3.0	11	10	1	3	0	0	0	24	0
18	A.J. Burnett	12	5/2/2012	PIT	@	STL	L	1	40.50	2	0	0	0	2.2	12	12	2	1	1	0	0	22	0
19	Jaime Garcia J. Garcia	12	5/28/2011	STL	@	COL	L	1	29.70	6	0	0	0	3.1	11	11	1	4	0	0	0	26	0
20	Randy Wolf R. Wolf	12	7/21/2010	MIL	@	PIT	L	1	19.06	4	0	0	0	5.2	13	12	2	2	0	0	0	31	0
21	Scott Feldman S. Feldman	12	8/12/2008	TEX	@	BOS		1	20.25	2	0	0	0	2.2	10	6	2	3	0	0	0	22	0
22	Jon Garland J. Garland	12	7/6/2007	CWS	vs	MIN	L	1	29.70	0	0	0	0	3.1	11	11	2	3	0	0	1	25	0
23	Jon Garland J. Garland	12	9/25/2006	CWS	@	CLE	L	1	13.50	5	0	0	0	5.1	12	8	0	3	0	0	1	31	0
24	Jason Marquis J. Marquis	12	7/18/2006	STL	vs	ATL	L	1	21.60	4	0	0	0	5.0	14	12	3	2	1	0	0	31	0
25	Dustin McGowan D. McGowan	12	8/21/2005	TOR	@	DET	L	1	20.77	2	0	0	0	4.1	9	10	2	2	3	0	0	28	0