most er by a pitcher in a game last decade

Between the 2010 and 2019 seasons, Vin Mazzaro gave up the most earned runs in a game, with 14 earned runs against the Cleveland Indians on May 16, 2011.

Interpreted as:

most er by a pitcher in a regular-season game last decade

	NAME	ER	DATE	TM		OPP	DEC	GS	ERA	SO	CG	SHO	SV	IP	H	R	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	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
3	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
4	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
5	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
6	Germán Márquez G. Márquez	11	7/15/2019	COL	vs	SFG	L	1	37.13	3	0	0	0	2.2	11	11	2	0	0	0	0	19	0
7	Austin Bibens-Dirkx A. Bibens-Dirkx	11	7/21/2018	TEX	vs	CLE		0	24.75	0	0	0	0	4.0	13	11	3	1	1	0	0	27	0
8	Jeff Locke J. Locke	11	7/3/2017	MIA	@	STL	L	1	37.13	2	0	0	0	2.2	11	11	0	4	0	0	1	23	0
9	Edinson Volquez E. Volquez	11	6/24/2016	KCR	vs	HOU	L	1	99.00	0	0	0	0	1.0	8	12	1	3	0	0	0	15	0
10	Jeff Locke J. Locke	11	6/9/2016	PIT	@	COL	L	1	21.21	2	0	0	0	4.2	11	11	1	3	0	0	0	28	1
11	Derek Holland D. Holland	11	5/5/2016	TEX	@	TOR	L	1	37.13	0	0	0	0	2.2	11	11	1	3	0	0	1	22	1
12	Chris Rusin C. Rusin	11	8/22/2015	COL	vs	NYM	L	1	49.50	3	0	0	0	2.0	12	11	1	2	0	0	0	20	0
13	David Buchanan D. Buchanan	11	8/11/2015	PHI	@	ARI	L	1	59.40	1	0	0	0	1.2	11	11	2	2	0	0	0	18	0
14	Jeremy Guthrie J. Guthrie	11	5/25/2015	KCR	@	NYY	L	1	99.00	1	0	0	0	1.0	9	11	4	3	1	0	0	16	1
15	Colby Lewis C. Lewis	11	7/10/2014	TEX	vs	LAA	L	1	42.43	1	0	0	0	2.1	13	13	1	0	0	0	0	20	0
16	Jon Lester J. Lester	11	7/22/2012	BOS	vs	TOR	L	1	24.75	2	0	0	0	4.0	9	11	4	5	0	0	0	25	1
17	Ricky Nolasco R. Nolasco	11	8/17/2011	FLA	@	COL	L	1	33.00	2	0	0	0	3.0	11	11	1	1	0	0	0	22	0
18	Jaime Garcia J. Garcia	11	5/28/2011	STL	@	COL	L	1	29.70	6	0	0	0	3.1	11	12	1	4	0	0	0	26	0
19	Ryan Rowland-Smith R. Rowland-Smith	11	7/27/2010	SEA	@	CWS	L	1	19.80	1	0	0	0	5.0	11	11	3	2	0	0	0	27	1
20	Steven Brault S. Brault	10	9/13/2019	PIT	@	CHC	L	1	33.75	2	0	0	0	2.2	8	10	5	3	0	0	0	19	0
21	Chase Anderson C. Anderson	10	8/18/2019	MIL	@	WSH	L	1	38.57	1	0	0	0	2.1	9	10	3	2	0	0	0	18	0
22	Jaime Barría J. Barría	10	7/19/2019	LAA	@	SEA	L	0	24.55	4	0	0	0	3.2	9	10	2	4	0	0	0	23	0
23	Marco Gonzales M. Gonzales	10	6/2/2019	SEA	vs	LAA	L	1	19.29	2	0	0	0	4.2	9	10	1	3	1	0	1	27	0
24	Edwin Jackson E. Jackson	10	5/31/2019	TOR	@	COL	L	1	38.57	4	0	0	0	2.1	10	10	1	3	0	0	0	21	2
25	Pablo López P. López	10	5/10/2019	MIA	@	NYM	L	1	30.00	3	0	0	0	3.0	10	10	3	2	1	0	0	21	1