Justin Masterson

Pitcher · Career Stats, Bio & Records (2008-2015)

W–L 64–74
ERA 4.31
WHIP 1.40
SO 1,004
Pitcher PIV 2568.7
Position
Pitcher
Bats / Throws
R / R
Height / Weight
6'6" / 260 lb
Born
3/22/1985 in Kingston, Kingston, Jamaica
MLB Debut
2008-04-24
Last Game
2015-08-09
Awards
All-Star

Full name: Justin Daniel Masterson

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Career Pitching Statistics

W L G GS CG SHO SV IP H ER HR BB SO ERA Pitcher PIV
64 74 258 184 7 4 0 1201.0 1,181 575 97 498 1,004 4.31 2568.7

Career ERA 4.31 vs. league average 4.03 across their career seasons — 6.9% worse than league average.

Season-by-Season Pitching

Pitching Career Arc

Click a stat to plot it across every season.

Year Team Lg W L G GS CG SHO SV IP H ER BB SO ERA Lg ERA Pitcher PIV
2008 BOS AL 6 5 36 9 0 0 0 88.3 68 31 40 68 3.16 4.32 (+27%) -818.1
2009 BOS AL 3 3 31 6 0 0 0 72.0 72 36 25 67 4.50 4.32 (-4%) 968.5
2009 CLE AL 1 7 11 10 1 0 0 57.3 56 29 35 52 4.55 4.32 (-5%) -44.6
2010 CLE AL 6 13 34 29 1 1 0 180.0 197 94 73 140 4.70 4.08 (-15%) 677.6
2011 CLE AL 12 10 34 33 1 0 0 216.0 211 77 65 158 3.21 3.94 (+19%) 3735.9
2012 CLE AL 11 15 34 34 1 0 0 206.3 212 113 88 159 4.93 4.01 (-23%) -729.8
2013 CLE AL 14 10 32 29 3 3 0 193.0 156 74 76 195 3.45 3.87 (+11%) 2594.1
2014 CLE AL 4 6 19 19 0 0 0 98.0 106 60 56 93 5.51 3.74 (-47%) -834.5
2014 SLN NL 3 3 9 6 0 0 0 30.7 35 24 13 23 7.04 3.74 (-88%) -1608.6
2015 BOS AL 4 2 18 9 0 0 0 59.3 68 37 27 49 5.61 3.96 (-42%) -1372.0
Career · 10 seasons 64 74 258 184 7 4 0 1,201.0 1,181 575 498 1,004 4.31 — 2,569

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Career Batting Statistics

G AB R H 2B 3B HR RBI SB BB SO AVG OBP SLG OPS PIV
258 33 1 7 0 0 0 2 0 0 13 .212 .212 .212 .424 0

Career AVG .212 vs. league average .257 across their career seasons — 17.3% below league average.

Career OBP .212 vs. league average .322 across their career seasons — 34.2% below league average.

Career SLG .212 vs. league average .404 across their career seasons — 47.4% below league average.

Career OPS .424 vs. league average .726 across their career seasons — 41.6% below league average.

Season-by-Season Batting

Career Arc

Click a stat to plot it across every season.

Year Team Lg G AB R H 2B 3B HR RBI SB BB SO AVG Lg AVG Lg OBP Lg SLG Lg OPS PIV
2008 BOS AL 36 5 0 0 0 0 0 0 0 0 4 .000 — — — — 0.0
2009 BOS AL 31 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2009 CLE AL 11 0 0 0 0 0 0 0 0 0 0 .000 — — — — 0.0
2010 CLE AL 34 4 0 1 0 0 0 0 0 0 1 .250 — — — — 0.0
2011 CLE AL 34 6 0 1 0 0 0 0 0 0 2 .167 — — — — 0.0
2012 CLE AL 34 2 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
2013 CLE AL 32 2 0 1 0 0 0 0 0 0 0 .500 — — — — 0.0
2014 CLE AL 19 3 0 0 0 0 0 0 0 0 1 .000 — — — — 0.0
2014 SLN NL 9 8 1 2 0 0 0 1 0 0 3 .250 — — — — 0.0
2015 BOS AL 18 3 0 2 0 0 0 1 0 0 1 .667 — — — — 0.0
Career · 10 seasons 258 33 1 7 0 0 0 2 0 0 13 .212 — — — — 0

Lg columns show the league average for that season, with the player's figure as a percentage above or below it. Career totals the seasons listed above.

Postseason Statistics

Playoff Career Batting

G AB R H 2B 3B HR RBI BB SO AVG
10 0 0 0 0 0 0 0 0 0 .000

Playoff Batting by Year

Year Round Team G AB R H 2B 3B HR RBI BB SO AVG
2013 ALWC CLE 1 0 0 0 0 0 0 0 0 0 .000
2008 ALCS BOS 5 0 0 0 0 0 0 0 0 0 .000
2008 ALDS1 BOS 4 0 0 0 0 0 0 0 0 0 .000

Playoff Career Pitching

W L G GS SV IP H ER BB SO ERA
1 0 10 0 0 11.7 11 2 5 11 1.54

Playoff Pitching by Year

Year Round Team W L G GS SV IP H ER BB SO ERA
2013 ALWC CLE 0 0 1 0 0 2.0 1 0 0 2 0.00
2008 ALCS BOS 1 0 5 0 0 5.7 4 1 2 6 1.59
2008 ALDS1 BOS 0 0 4 0 0 4.0 6 1 3 3 2.25

Game Log & Splits

View full game log (516 games) →

Per-game data from Retrosheet (regular season, through 2025).

Batting — Home / Away

SplitGABRHHRRBIAVG
Home13341100.250
Away125290602.207

Pitching — Home / Away

SplitGIPHERBBSOERA
Home133638.05882582535423.64
Away125563.05933172454625.07

Last 10 Games — Pitching

DateTmOppDecIPHRERBBSOHR
2015-08-09 BOSDET — 1.0111111
2015-08-07 BOSDET — 1.1200210
2015-08-01 BOSTBR — 1.0111120
2015-07-28 BOSCHW — 3.1422141
2015-07-25 BOSDET — 2.0100010
2015-07-24 BOSDET W 1.0100120
2015-07-21 BOSHOU — 1.2433021
2015-07-18 BOSLAA — 3.0100040
2015-07-10 BOSNYY — 1.0000000
2015-07-03 BOSHOU — 3.2855220

Fielding Statistics

Career Fielding Totals by Position

Position G GS PO A E DP
P 258 184 103 189 14 19

Season-by-Season Fielding

Year Team Pos G GS PO A E DP
2008 BOS P 36 9 3 10 1 2
2009 BOS P 31 6 2 15 1 0
2009 CLE P 11 10 2 7 1 1
2010 CLE P 34 29 22 34 5 1
2011 CLE P 34 33 15 32 2 4
2012 CLE P 34 34 24 34 1 2
2013 CLE P 32 29 21 27 1 3
2014 CLE P 19 19 4 20 1 5
2014 SLN P 9 6 4 2 0 0
2015 BOS P 18 9 6 8 1 1

Career Games by Position

Position Diamond

Circle size = games played at each position.

Position Games
Pitcher 258

Awards & Honors

Year Award Notes
2013 Player of the Week Week of 2013-05-19

Salary History

Year Team League Salary
2015 BOS AL $9,500,000
2014 CLE AL $9,762,500
2013 CLE AL $5,687,500
2012 CLE AL $3,825,000
2011 CLE AL $468,400
2010 CLE AL $427,000
2009 BOS AL $415,500
Total Career Earnings $30,085,900

College History

School Name City State Years Attended
San Diego State University San Diego CA 2006

Most Similar Players

Career comps based on counting + rate stats and primary position. Score is relative — closest peer anchors at ~98%.

Career Spans

Justin Masterson (highlighted) compared to peers across the same era.

  1. 98
    Ryan Vogelsong
    61-75, 4.48 ERA
  2. 87
    Dontrelle Willis
    72-69, 4.17 ERA
  3. 87
    Melido Perez
    78-85, 4.17 ERA
  4. 83
    Len Barker
    74-76, 4.34 ERA
  5. 78
    Gil Meche
    84-83, 4.49 ERA
  6. 77
    Jose Guzman
    80-74, 4.05 ERA

Frequently Asked Questions about Justin Masterson

What years did Justin Masterson play?
Justin Masterson played in Major League Baseball from 2008 to 2015.
Was Justin Masterson a pitcher?
Yes. Justin Masterson pitched in the major leagues, recording 64 wins and 1004 strikeouts.
How many home runs did Justin Masterson hit?
Justin Masterson hit 0 career home runs with 7 hits.