Justin Masterson

Position: Pitcher

Bats: Right • Throws: Right

6-6, 260lb (198cm, 117kg)

Born: March 22, 1985 in Kingston, Jamaica jm

Draft: Drafted by the Boston Red Sox in the 2nd round of the 2006 MLB June Amateur Draft from San Diego State University (San Diego, CA).

High School: Beavercreek HS (Beavercreek, OH)

Schools: Bethel University (Mishawaka, IN), San Diego State University (San Diego, CA)

Debut: April 24, 2008 (Age 23-033d, 19,284th in major league history)
vs. LAA 6.0 IP, 2 H, 4 SO, 4 BB, 1 ER

Last Game: August 9, 2015 (Age 30-140d)
vs. DET 1.0 IP, 1 H, 1 SO, 1 BB, 1 ER

Rookie Status: Exceeded rookie limits during 2008 season

Agents: Randy Rowley

Full Name: Justin Daniel Masterson

Nicknames: Bat Masterson, Big Masty, Nasty Masty or Masty

View Player Info from the B-R Bullpen

1x All-Star

Become a Stathead & surf this site ad-free.

SUMMARY

Career

WAR

10.1

ERA

4.31

258

184

1201.0

1004

WHIP

1.398

Feel like you're looking for a needle in a haystack?

Unleash the power of our game logs database by becoming a Stathead. Subscribers gain access to Player and Team Game Finders, which pros use to easily run customizable searches through over 100 years worth of game logs.

Become a Stathead

Team Record in Appearances: 14-28 / in Starts: 4-12

Days of Rest

Run Support in Games Started

Total runs in Starts, Avg. is per 27 outs

Inning/Score Appearance Matrix

Multiple inning appearances: 31, Entered with runners on base: 9

2009 Pitching Game Log

Click two rows to sum games (Clear)

2009 Pitching Game Log
Rk	Gcar	Gtm	Date	Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
1	37	1	Apr 7	BOS		TBR	W,5-3	8-8	H(1)	99	0.2	1	0	0	0	1	0	0	0.00	0.10	3	9	7	3	0	0	2	1	0	0		2	2	2	0	0	3	0	0	0	0	0	0	1.52	0.003	1.73	0.00%	-1.02	8t 12- 1 out a4	8t 3 out a2
2	38	3	Apr 9	BOS		TBR	L,3-4	9-GF		1	0.1	0	0	0	0	0	0	0	0.00	1.10	1	4	2	1	0	0	1	0	0	0		3	0	0	0	0	1	0	0	0	0	0	0	1.05	0.028	1.13	0.02%	0.82	9t 123 2 out d2	9t end d 2
3	39	4	Apr 10	BOS	@	LAA	L,3-6	7-7		0	1.0	4	3	3	1	0	0	0	13.50	3.60	8	30	16	4	2	4	3	0	0	0		0	0	1	0	0	6	1	0	1	0	1	0	.40	-0.097	.41	-0.06%	-2.46	7b --- 0 out d2	7b 3 out d5
4	40	8	Apr 14	BOS	@	OAK	L,5-6	2-5		3	4.0	2	0	0	0	6	0	0	4.50	1.26	14	60	42	12	11	5	3	1	0	0		0	0	0	0	0	14	0	0	0	0	0	0	.70	0.177	.59	0.09%	2.13	2b --- 0 out d2	5b 3 out tie
5	41	13	Apr 20	BOS		BAL	W,12-1	GS-6	W(1-0)	5	5.1	4	1	1	2	3	0	0	3.18	2.13	21	84	56	14	9	11	5	2	0	0	57			1	0	0	18	0	0	0	1	0	0	.91	0.199	.99	0.13%	1.83	1t start tie	6t 1-- 1 out a2
6	42	18	Apr 26	BOS		NYY	W,4-1	GS-6	W(2-0)	5	5.1	6	1	1	1	4	0	0	2.70	2.14	24	99	62	19	6	9	10	3	1	0	55			0	0	0	21	0	0	0	0	1	1	1.08	0.139	1.49	0.12%	1.43	1t start tie	6t 12- 1 out a3
May				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
7	43	23	May 1	BOS	@	TBR	L,2-6	GS-6	L(2-1)	4	6.0	6	6	6	3	6	2	2	4.37	3.67	27	105	58	18	9	9	7	2	2	0	39			1	2	0	20	0	0	0	0	1	0	1.19	-0.380	1.63	-0.31%	-2.81	1b start tie	6b 3 out d4
8	44	28	May 6	BOS		CLE	L,2-9	GS-7	L(2-2)	4	6.1	8	6	6	3	6	0	1	5.28	3.55	30	112	76	25	12	14	6	2	0	0	36			0	0	0	26	1	1	0	1	0	0	1.13	-0.226	1.45	-0.18%	-1.60	1t start tie	7t 1-- 1 out d3
9	45	33	May 12	BOS	@	LAA	W,4-3	GS-6		5	6.0	5	2	2	4	3	0	1	4.89	3.73	27	105	65	17	4	9	10	2	0	0	53			0	1	0	19	0	0	0	0	2	0	1.21	0.086	1.66	0.07%	1.22	1b start tie	6b 3 out d1
10	46	38	May 17	BOS	@	SEA	L,2-3	GS-7		4	6.1	9	2	2	0	6	1	0	4.57	3.65	27	93	60	14	10	11	10	3	0	0	53			0	0	0	25	1	1	0	1	0	1	1.18	0.125	1.59	0.10%	1.04	1b start tie	7b 1-- 1 out tie
11	47	42	May 22	BOS		NYM	L,3-5	6-8		4	3.0	3	1	1	1	3	0	0	4.47	3.55	12	42	28	9	4	5	3	2	0	0		0	0	1	1	0	10	0	0	0	0	0	0	.98	0.015	1.29	0.01%	0.71	6t --- 0 out d1	8t 3 out d2
12	48	47	May 27	BOS	@	MIN	L,2-4	6-GF(8)		4	2.1	2	0	0	1	0	0	1	4.24	3.65	11	42	25	6	0	6	3	2	0	0		3	1	1	0	0	8	1	0	0	0	0	0	.73	-0.015	1.03	-0.01%	0.86	6b 123 2 out d1	8b end d 2
13	49	51	May 31	BOS	@	TOR	W,8-2	7-8		3	2.0	2	1	1	1	1	1	0	4.25	3.92	9	39	25	5	1	3	4	2	1	0		0	0	0	0	0	8	0	0	0	0	0	0	.27	0.041	.44	0.04%	0.09	7b --- 0 out a4	8b 3 out a6
Jun				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
14	50	54	Jun 4	BOS	@	DET	W,6-3	7-8	H(2)	3	0.2	0	0	0	0	2	0	0	4.20	3.83	2	11	8	4	1	0	0	0	0	0		1	0	0	0	0	2	0	0	0	0	0	0	1.14	0.064	1.71	0.06%	0.60	7b -2- 2 out a3	8b --- 1 out a3
15	51	57	Jun 7	BOS		TEX	L,3-6	6-7		2	0.2	1	0	0	0	0	0	0	4.14	3.82	2	10	6	2	2	1	1	1	0	0		1	0	0	0	0	2	1	0	0	0	0	0	.69	0.039	1.06	0.04%	0.52	6t 1-- 2 out d2	7t --- 1 out d2
16	52	61	Jun 12	BOS	@	PHI	W,5-2	10-12		4	2.1	2	0	0	1	3	0	1	3.96	3.78	11	42	27	8	5	4	2	0	0	0		0	0	0	0	0	9	1	0	1	0	0	0	2.58	0.278	3.78	0.25%	0.98	10b --- 0 out tie	12b 1-- 1 out tie
17	53	63	Jun 14	BOS	@	PHI	L,6-11	8-GF(8)		1	1.0	1	0	0	0	2	0	0	3.88	3.70	4	16	12	4	3	0	2	1	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.02	0.001	.03	0.00%	0.50	8b --- 0 out d5	8b end d 5
18	54	65	Jun 17	BOS		FLA	W,6-1	6-6	H(3)	2	1.0	0	0	0	0	2	0	0	3.81	3.61	3	13	9	3	2	0	1	0	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.67	0.054	.95	0.05%	0.57	6t --- 0 out a3	6t 3 out a3
19	55	67	Jun 19	BOS		ATL	L,2-8	5-7		1	2.1	1	1	0	1	0	0	0	3.65	3.64	9	29	21	4	1	6	2	0	0	0		1	1	0	0	0	7	0	0	0	1	1	1	.25	-0.026	.34	-0.02%	-0.24	5t -2- 0 out d5	7t 1-- 1 out d5
20	56	71	Jun 24	BOS	@	WSN	W,6-4	7-8	H(4)	4	1.2	2	1	1	1	2	0	0	3.70	3.61	8	30	18	8	2	2	3	2	0	0		0	0	0	0	0	7	1	1	0	0	0	0	1.23	0.035	1.61	0.03%	-0.24	7b --- 0 out a3	8b 1-- 2 out a2
21	57	74	Jun 27	BOS	@	ATL	W,1-0	8-8	H(5)	2	0.2	0	0	0	1	0	0	0	3.66	3.66	3	12	7	3	1	1	1	0	0	0		0	0	0	0	0	2	0	0	0	0	0	0	3.20	0.077	4.22	0.06%	0.26	8b --- 1 out a1	8b 3 out a1
22	58	77	Jun 30	BOS	@	BAL	L,10-11	5-7		2	2.0	5	5	5	0	4	1	0	4.28	3.72	11	35	28	6	5	4	3	1	0	0		0	0	0	0	0	11	1	0	0	0	0	0	.15	-0.047	.19	-0.04%	-3.30	5b --- 0 out a8	7b 1-- 0 out a5
Jul				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
23	59	80	Jul 4	BOS		SEA	L,2-3	7-7		3	1.0	0	0	0	1	0	0	0	4.21	3.76	3	15	9	2	0	1	1	0	1	0		0	0	0	0	0	2	0	0	0	1	0	0	1.59	0.093	2.29	0.08%	0.57	7t --- 0 out tie	7t 3 out tie
24	60	81	Jul 5	BOS		SEA	W,8-4	7-8	W(3-2)	0	1.1	0	0	0	0	3	0	0	4.12	3.65	4	17	11	5	3	1	0	0	0	0		1	0	0	0	0	4	0	0	0	0	0	0	.51	0.057	.81	0.05%	0.83	7t 1-- 2 out d1	8t 3 out a4
25	61	83	Jul 7	BOS		OAK	W,5-2	8-8	H(6)	1	1.0	0	0	0	0	1	0	0	4.06	3.61	3	15	10	2	0	1	1	1	0	0		0	0	0	0	0	3	0	0	0	0	0	0	.62	0.050	.91	0.04%	0.57	8t --- 0 out a3	8t 3 out a3
26	62	85	Jul 9	BOS		KCR	L,6-8	6-6	BL(3-3)	1	0.1	2	2	2	0	0	1	0	4.31	3.81	3	14	10	4	1	1	2	0	0	0		1	1	0	0	0	3	0	0	0	0	0	0	1.15	-0.401	1.68	-0.35%	-2.65	6t -2- 2 out a1	6t 3 out d2
27	63	87	Jul 11	BOS		KCR	W,15-9	6-6		1	0.1	4	5	5	1	1	1	0	4.98	4.02	6	25	18	3	3	0	4	1	0	0		0	0	0	0	0	5	0	0	0	0	0	0	.27	-0.067	.40	-0.06%	-3.41	6t --- 0 out a8	6t 12- 1 out a5
28	64	90	Jul 18	BOS	@	TOR	L,2-6	6-7		6	2.0	0	0	0	0	1	0	0	4.84	3.96	6	22	13	2	0	3	2	0	1	0		0	0	0	0	0	6	0	0	0	0	0	0	.09	0.014	.11	0.01%	1.09	6b --- 0 out d5	7b 3 out d4
29	65	92	Jul 20	BOS	@	TEX	L,3-6	8-GF(8)		1	1.0	1	0	0	0	2	0	0	4.76	3.89	4	13	10	3	3	0	2	2	0	0		0	0	0	0	0	4	0	0	0	0	0	0	.12	0.008	.18	0.01%	0.57	8b --- 0 out d3	8b end d 3
30	66	97	Jul 26	BOS		BAL	L,2-6	6-7		5	2.0	0	0	0	1	2	0	0	4.63	3.85	7	23	14	6	1	2	2	1	0	0		0	0	0	0	0	6	0	0	0	0	0	0	.17	0.021	.29	0.02%	1.14	6t --- 0 out d5	7t 3 out d5
31	67	100	Jul 29	BOS		OAK	L,6-8	6-7		2	2.0	1	1	0	1	3	0	0	4.50	3.79	9	36	21	5	5	2	3	0	1	0		1	1	1	0	0	7	1	0	0	0	0	1	.32	-0.042	.56	-0.04%	-0.23	6t -2- 0 out d3	7t 3 out d5
Aug				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
				Player went from Boston Red Sox to Cleveland Indians
32	68	104	Aug 1	CLE		DET	L,3-4	7-9		2	3.0	2	0	0	1	4	0	0	4.32	3.70	12	46	29	9	4	3	4	2	1	0		0	0	1	0	0	11	0	0	0	0	0	0	.84	0.150	.08	0.01%	1.55	7t --- 0 out d1	9t 3 out d1
33	69	110	Aug 8	CLE	@	CHW	L,5-8	GS-4		6	4.0	4	1	1	1	4	0	1	4.22	3.64	18	61	38	12	6	10	2	0	1	0	53			0	0	0	16	1	0	0	0	0	0	1.06	0.119	.07	0.01%	1.28	1b start tie	4b 3 out a3
34	70	115	Aug 14	CLE	@	MIN	L,0-11	GS-4	L(3-4)	5	3.1	6	7	6	5	3	0	0	4.70	3.73	20	83	46	11	5	6	6	1	2	0	20			2	0	0	15	0	0	1	2	0	1	1.15	-0.232	.05	-0.01%	-3.48	1b start tie	4b 123 1 out d4
35	71	120	Aug 20	CLE		LAA	W,11-3	GS-7	W(4-4)	5	6.1	3	1	0	4	3	0	0	4.36	3.75	27	110	62	17	8	13	7	3	0	0	64			0	0	0	23	0	0	0	1	0	2	.87	0.242	.01	0.00%	1.02	1t start tie	7t 123 1 out a7
36	72	125	Aug 25	CLE	@	KCR	L,2-6	GS-6	L(4-5)	4	6.0	7	4	4	2	4	1	0	4.47	3.83	25	98	63	17	7	15	4	2	0	0	44			1	0	0	23	0	0	0	2	0	0	.72	-0.154	.02	0.00%	-0.85	1b start tie	6b 3 out d3
37	73	130	Aug 30	CLE	@	BAL	L,2-5	GS-6	L(4-6)	4	5.2	8	5	4	4	6	1	0	4.57	3.91	28	99	56	17	11	8	10	3	2	0	37			1	0	0	23	1	0	0	0	1	0	.62	-0.211	.02	-0.01%	-1.96	1b start tie	6b 1-- 2 out d4
Sept				Tm		Opp	Rslt	Inngs	Dec	DR	IP	H	R	ER	BB	SO	HR	HBP	ERA	FIP	BF	Pit	Str	StL	StS	GB	FB	LD	PU	Unk	GSc	IR	IS	SB	CS	PO	AB	2B	3B	IBB	GDP	SF	ROE	aLI	WPA	acLI	cWPA	RE24	Entered	Exited
38	74	135	Sep 5	CLE		MIN	L,1-4	GS-6	L(4-7)	5	6.0	5	2	1	5	2	0	0	4.40	3.97	25	107	66	22	3	12	6	0	4	0	53			0	0	0	19	1	0	0	3	0	0	1.35	0.071	.00	0.00%	1.09	1t start tie	6t 3 out d1
39	75	140	Sep 11	CLE		KCR	L,1-2	GS-6		5	6.0	4	1	1	4	4	0	1	4.25	3.99	24	103	60	22	10	8	7	2	1	0	60			0	1	0	19	1	0	0	2	0	0	1.25	0.194	.00	0.00%	2.09	1t start tie	6t 3 out d1
40	76	146	Sep 17	CLE	@	OAK	L,2-5	GS-4	L(4-8)	5	4.0	6	5	5	4	6	1	0	4.49	4.07	22	93	53	15	11	5	7	2	0	0	32			1	0	0	18	2	0	0	0	0	0	.60	-0.247	.00	0.00%	-2.87	1b start tie	4b 3 out d5
41	77	151	Sep 23	CLE		DET	L,3-11	GS-4	L(4-9)	5	4.0	7	8	6	3	4	2	0	4.79	4.26	23	85	51	12	4	10	6	3	0	0	21			0	0	0	20	1	0	0	0	0	0	.66	-0.412	.00	0.00%	-5.94	1t start tie	4t 3 out d7
42	78	158	Sep 30(2)	CLE		CHW	L,0-1	CG	L(4-10)	6	9.0	4	1	1	2	12	0	0	4.52	4.04	32	109	80	24	24	9	9	1	2	0	85			1	1	0	30	2	0	0	0	0	0	1.08	0.331	.00	0.00%	3.64	1t start tie	9t 3 out d1
							14-28		W-L:4-10,BSv:1,Hld:6	3.3	129.1	128	73	65	60	119	12	8	4.52	4.04	568	2196	63%	18%	9%	1.28		13%	5%	0	48	14	43%	15	6	0	483	18	3	3	15	7	7	.94	0.154	.70	0.20%	-4.08

Player Page Tricks and Tips

More Masterson Pages

Justin Masterson Overview

Minor Lg Stats

Pitching Splits

Batting Splits

Pitching Game Logs

Batting Game Logs

Fielding Game Logs

Pitching Finders & Advanced Stats

Batting Finders & Advanced Stats

Fielding Finders & Advanced Stats

Advanced Stats

More Justin Masterson Pages at Baseball Reference