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Justin Masterson

Justin Daniel Masterson (Bat Masterson, Big Masty, Nasty Masty or Masty)

Position: Pitcher
Bats: Right, Throws: Right
Height: 6' 6", Weight: 260 lb.

Born: March 22, 1985 in Kingston, Kingston, Jamaica
High School: Beavercreek HS (Beavercreek, OH)
Schools: San Diego State University (San Diego, CA), Bethel College (Mishawaka, IN)

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).

Prospect Ratings by Baseball America:
Pre-2008: Rated #64 Prospect
Prospect Ratings by BaseballProspectus.com:
Pre-2008: Rated #53 Prospect

Major League Stats


Justin Masterson
Register Player Page
/ Gamelogs & Splits
Pitching: 2016 / 2015 / 2014 / 2013 / 2012 / 2011 / 2010 / 2009 / 2008
 Batting: 2016 / 2015 / 2014 / 2013 / 2012 / 2011 / 2010 / 2008

Register Pitching

Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA RAvg G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
2006 21 -0.5 Lowell NYPL A- BOS 3 1 .750 0.85 1.14 14 0 1 0 0 0 31.2 20 4 3 0 2 0 33 3 0 1 120 0.695 5.7 0.0 0.6 9.4 16.50
2007 22 -1.7 2 Teams 2 Lgs A+-AA BOS 12 8 .600 4.33 4.98 27 27 0 0 0 0 153.2 152 85 74 8 40 0 115 8 0 4 649 1.249 8.9 0.5 2.3 6.7 2.88
2007 22 -1.0 Lancaster CALL A+ BOS 8 5 .615 4.33 5.27 17 17 0 0 0 0 95.2 103 56 46 4 22 0 56 6 0 1 410 1.307 9.7 0.4 2.1 5.3 2.55
2007 22 -2.8 Portland EL AA BOS 4 3 .571 4.34 4.50 10 10 0 0 0 0 58.0 49 29 28 4 18 0 59 2 0 3 239 1.155 7.6 0.6 2.8 9.2 3.28
2008 23 -2.0 2 Teams 2 Lgs AA-AAA BOS 2 3 .400 3.97 4.91 12 9 0 0 0 0 47.2 43 26 21 1 17 0 45 4 0 3 204 1.259 8.1 0.2 3.2 8.5 2.65
2008 23 -1.6 Portland EL AA BOS 1 3 .250 4.23 5.17 8 8 0 0 0 0 38.1 37 22 18 0 16 0 37 3 0 2 169 1.383 8.7 0.0 3.8 8.7 2.31
2008 23 -4.2 Pawtucket IL AAA BOS 1 0 1.000 2.89 3.86 4 1 0 0 0 0 9.1 6 4 3 1 1 0 8 1 0 1 35 0.750 5.8 1.0 1.0 7.7 8.00
2008 23 -5.3 BOS AL MLB BOS 6 5 .545 3.16 3.16 36 9 6 0 0 0 88.1 68 31 31 10 40 3 68 8 0 1 365 1.223 6.9 1.0 4.1 6.9 1.70
2009 24 -4.1 2 Teams AL MLB BOS-CLE 4 10 .286 4.52 5.08 42 16 4 1 0 0 129.1 128 73 65 12 60 3 119 8 0 5 568 1.454 8.9 0.8 4.2 8.3 1.98
2009 24 -4.1 BOS AL MLB BOS 3 3 .500 4.50 4.75 31 6 4 0 0 0 72.0 72 38 36 7 25 2 67 6 0 3 312 1.347 9.0 0.9 3.1 8.4 2.68
2009 24 -4.1 CLE AL MLB CLE 1 7 .125 4.55 5.49 11 10 0 1 0 0 57.1 56 35 29 5 35 1 52 2 0 2 256 1.587 8.8 0.8 5.5 8.2 1.49
2010 25 -3.0 CLE AL MLB CLE 6 13 .316 4.70 5.35 34 29 0 1 1 0 180.0 197 107 94 14 73 4 140 11 0 12 802 1.500 9.8 0.7 3.6 7.0 1.92
2011 26 -2.2 CLE AL MLB CLE 12 10 .545 3.21 3.71 34 33 0 1 0 0 216.0 211 89 77 11 65 4 158 11 0 5 908 1.278 8.8 0.5 2.7 6.6 2.43
2012 27 -1.2 CLE AL MLB CLE 11 15 .423 4.93 5.32 34 34 0 1 0 0 206.1 212 122 113 18 88 1 159 13 0 14 906 1.454 9.2 0.8 3.8 6.9 1.81
2013 28 -0.7 CLE AL MLB CLE 14 10 .583 3.45 3.50 32 29 2 3 3 0 193.0 156 75 74 13 76 0 195 17 0 8 803 1.202 7.3 0.6 3.5 9.1 2.57
2014 29 0.5 2 Teams 2 Lgs MLB CLE-STL 7 9 .438 5.88 6.30 28 25 1 0 0 0 128.2 141 90 84 12 69 2 116 15 0 14 592 1.632 9.9 0.8 4.8 8.1 1.68
2014 29 1.8 Columbus IL AAA CLE 0 1 .000 5.56 5.56 2 2 0 0 0 0 11.1 9 7 7 0 8 0 10 0 0 2 50 1.500 7.1 0.0 6.4 7.9 1.25
2014 29 0.5 CLE AL MLB CLE 4 6 .400 5.51 6.06 19 19 0 0 0 0 98.0 106 66 60 6 56 2 93 11 0 9 452 1.653 9.7 0.6 5.1 8.5 1.66
Year Age AgeDif Tm Lg Lev Aff W L W-L% ERA RAvg G GS GF CG SHO SV IP H R ER HR BB IBB SO HBP BK WP BF WHIP H9 HR9 BB9 SO9 SO/W
2014 29 0.5 STL NL MLB STL 3 3 .500 7.04 7.04 9 6 1 0 0 0 30.2 35 24 24 6 13 0 23 4 0 5 140 1.565 10.3 1.8 3.8 6.8 1.77
2015 30 3.7 2 Teams 2 Lgs AAA-AA BOS 0 2 .000 3.44 3.93 4 4 0 0 0 0 18.1 16 8 7 0 8 0 14 2 0 5 77 1.309 7.9 0.0 3.9 6.9 1.75
2015 30 5.5 Portland EL AA BOS 0 0 3.86 3.86 1 1 0 0 0 0 4.2 8 2 2 0 1 0 2 1 0 1 23 1.929 15.4 0.0 1.9 3.9 2.00
2015 30 2.8 Pawtucket IL AAA BOS 0 2 .000 3.29 3.95 3 3 0 0 0 0 13.2 8 6 5 0 7 0 12 1 0 4 54 1.098 5.3 0.0 4.6 7.9 1.71
2015 30 1.7 BOS AL MLB BOS 4 2 .667 5.61 5.76 18 9 4 0 0 0 59.1 68 38 37 7 27 0 49 10 1 7 273 1.601 10.3 1.1 4.1 7.4 1.81
2016 31 4.8 2 Teams 2 Lgs AAA-A+ PIT 2 1 .667 5.14 5.14 13 4 2 0 0 0 35.0 36 20 20 4 18 0 23 7 0 2 156 1.543 9.3 1.0 4.6 5.9 1.28
2016 31 7.9 Bradenton FLOR A+ PIT 1 0 1.000 3.60 3.60 1 1 0 0 0 0 5.0 2 2 2 1 3 0 8 0 0 0 20 1.000 3.6 1.8 5.4 14.4 2.67
2016 31 4.3 Indianapolis IL AAA PIT 1 1 .500 5.40 5.40 12 3 2 0 0 0 30.0 34 18 18 3 15 0 15 7 0 2 136 1.633 10.2 0.9 4.5 4.5 1.00
MLB (8 seasons) MLB 64 74 .464 4.31 4.68 258 184 17 7 4 0 1201.0 1181 625 575 97 498 17 1004 93 1 66 5217 1.398 8.9 0.7 3.7 7.5 2.02
Minors (6 seasons) Minors 19 16 .543 3.99 4.54 72 46 3 0 0 0 297.2 276 150 132 13 93 0 240 24 0 17 1256 1.240 8.3 0.4 2.8 7.3 2.58
All Levels (11 Seasons) 83 90 .480 4.25 4.65 330 230 20 7 4 0 1498.2 1457 775 707 110 591 17 1244 117 1 83 6473 1.367 8.7 0.7 3.5 7.5 2.10
A+ (2 seasons) Minors 9 5 .643 4.29 5.19 18 18 0 0 0 0 100.2 105 58 48 5 25 0 64 6 0 1 430 1.291 9.4 0.4 2.2 5.7 2.56
AA (3 seasons) Minors 5 6 .455 4.28 4.72 19 19 0 0 0 0 101.0 94 53 48 4 35 0 98 6 0 6 431 1.277 8.4 0.4 3.1 8.7 2.80
AAA (4 seasons) Minors 2 4 .333 4.62 4.90 21 9 2 0 0 0 64.1 57 35 33 4 31 0 45 9 0 9 275 1.368 8.0 0.6 4.3 6.3 1.45

Register Batting

Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
2006 21 -0.3 Lowell NYPL A- BOS 14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2007 22 2 Teams 2 Lgs A+-AA BOS 27 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2007 22 -0.8 Lancaster CALL A+ BOS 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2007 22 -3.1 Portland EL AA BOS 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2008 23 2 Teams 2 Lgs AAA-AA BOS 12 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2008 23 -1.4 Portland EL AA BOS 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2008 23 -4.3 Pawtucket IL AAA BOS 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2008 23 -5.9 BOS AL MLB BOS 36 5 5 0 0 0 0 0 0 0 0 0 4 .000 .000 .000 .000 0 0 0 0 0 0
2009 24 2 Teams AL MLB BOS-CLE 42 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2009 24 -5.0 BOS AL MLB BOS 31 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2009 24 -5.0 CLE AL MLB CLE 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2010 25 -4.0 CLE AL MLB CLE 34 5 4 0 1 0 0 0 0 0 0 0 1 .250 .250 .250 .500 1 0 0 1 0 0
2011 26 -2.7 CLE AL MLB CLE 34 6 6 0 1 0 0 0 0 0 0 0 2 .167 .167 .167 .333 1 0 0 0 0 0
2012 27 -1.7 CLE AL MLB CLE 34 2 2 0 0 0 0 0 0 0 0 0 1 .000 .000 .000 .000 0 0 0 0 0 0
2013 28 -0.7 CLE AL MLB CLE 32 2 2 0 1 0 0 0 0 0 0 0 0 .500 .500 .500 1.000 1 0 0 0 0 0
2014 29 0.7 2 Teams 2 Lgs MLB STL-CLE 28 13 11 1 2 0 0 0 1 0 0 0 4 .182 .182 .182 .364 2 0 0 2 0 0
2014 29 2.0 Columbus IL AAA CLE 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2014 29 0.3 CLE AL MLB CLE 19 4 3 0 0 0 0 0 0 0 0 0 1 .000 .000 .000 .000 0 0 0 1 0 0
Year Age AgeDif Tm Lg Lev Aff G PA AB R H 2B 3B HR RBI SB CS BB SO BA OBP SLG OPS TB GDP HBP SH SF IBB
2014 29 0.8 STL NL MLB STL 9 9 8 1 2 0 0 0 1 0 0 0 3 .250 .250 .250 .500 2 0 0 1 0 0
2015 30 2 Teams 2 Lgs AA-AAA BOS 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2015 30 5.5 Portland EL AA BOS 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2015 30 3.1 Pawtucket IL AAA BOS 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
2015 30 1.5 BOS AL MLB BOS 18 3 3 0 2 0 0 0 1 0 0 0 1 .667 .667 .667 1.333 2 0 0 0 0 0
2016 31 4.4 Indianapolis IL AAA PIT 5 4 3 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0 0 0 1 0 0
MLB (8 seasons) MLB 258 36 33 1 7 0 0 0 2 0 0 0 13 .212 .212 .212 .424 7 0 0 3 0 0
Minors (6 seasons) Minors 64 4 3 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0 0 0 1 0 0
All Levels (11 Seasons) 322 40 36 1 7 0 0 0 2 0 0 0 15 .194 .194 .194 .389 7 0 0 4 0 0
AA (3 seasons) Minors 19 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
AAA (4 seasons) Minors 14 4 3 0 0 0 0 0 0 0 0 0 2 .000 .000 .000 .000 0 0 0 1 0 0

Register Fielding

Year Age Tm Lg Lev Aff G GS CG Inn Ch PO A E DP Fld% RF/9 RF/G PB WP SB CS CS% lgCS% PO
2006 21 Lowell NYPL A- BOS P 14 0 31.2 6 2 3 1 0 .833 1.42 0.36 2 0 0%
2007 22 2 Teams 2 Lgs A+-AA BOS P 27 27 153.2 47 16 26 5 4 .894 2.46 1.56 15 3 17%
2007 22 Lancaster CALL A+ BOS P 17 17 95.2 31 12 16 3 1 .903 2.63 1.65 11 3 21%
2007 22 Portland EL AA BOS P 10 10 58.0 16 4 10 2 3 .875 2.17 1.40 4 0 0%
2008 23 2 Teams 2 Lgs AA-AAA BOS P 12 9 47.2 19 4 13 2 1 .895 3.21 1.42 5 3 38%
2008 23 Portland EL AA BOS P 8 8 38.1 16 3 11 2 1 .875 3.29 1.75 4 2 33%
2008 23 Pawtucket IL AAA BOS P 4 1 9.1 3 1 2 0 0 1.000 2.89 0.75 1 1 50%
2008 23 BOS AL MLB BOS P 36 88.0 14 3 10 1 2 .929 1.33 0.36
2009 24 2 Teams AL MLB BOS-CLE P 42 129.0 28 4 22 2 1 .929 1.81 0.62
2009 24 BOS AL MLB BOS P 31 72.0 18 2 15 1 0 .944 2.12 0.55
2009 24 CLE AL MLB CLE P 11 57.0 10 2 7 1 1 .900 1.42 0.82
2010 25 CLE AL MLB CLE P 34 180.0 61 22 34 5 1 .918 2.80 1.65
2011 26 CLE AL MLB CLE P 34 216.0 49 15 32 2 4 .959 1.96 1.38
2012 27 CLE AL MLB CLE P 34 206.0 59 24 34 1 2 .983 2.53 1.71
2013 28 CLE AL MLB CLE P 32 193.0 49 21 27 1 3 .980 2.24 1.50
2014 29 2 Teams 2 Lgs MLB CLE-STL P 28 128.2 31 8 22 1 5 .968 2.10 1.07
2014 29 Columbus IL AAA CLE P 2 2 11.1 1 1 0 0 0 1.000 0.79 0.50 2 0 0%
2014 29 CLE AL MLB CLE P 19 98.0 25 4 20 1 5 .960 2.20 1.26
Year Age Tm Lg Lev Aff G GS CG Inn Ch PO A E DP Fld% RF/9 RF/G PB WP SB CS CS% lgCS% PO
2014 29 STL NL MLB STL P 9 30.2 6 4 2 0 0 1.000 1.76 0.67
2015 30 2 Teams 2 Lgs AAA-AA BOS P 4 18.1 9 3 6 0 0 1.000 4.42 2.25
2015 30 Portland EL AA BOS P 1 4.2 2 1 1 0 0 1.000 3.86 2.00
2015 30 Pawtucket IL AAA BOS P 3 13.2 7 2 5 0 0 1.000 4.61 2.33
2015 30 BOS AL MLB BOS P 18 59.1 15 6 8 1 1 .933 2.12 0.78
2016 31 2 Teams 2 Lgs AAA-A+ PIT P 13 4 35.0 8 2 6 0 3 1.000 2.06 0.62
2016 31 Bradenton FLOR A+ PIT P 1 1 5.0 0 0 0 0 0 0.00 0.00
2016 31 Indianapolis IL AAA PIT P 12 3 30.0 8 2 6 0 3 1.000 2.40 0.67
MLB (8 seasons) MLB P 258 1200.0 306 103 189 14 19 .954 2.19 1.13
Minors (6 seasons) Minors P 72 42 297.2 90 28 54 8 8 .911 2.48 1.14 24 6 20%
All Levels (11 Seasons) P 330 42 1497.2 396 131 243 22 27 .944 2.25 1.13 24 6 20%
A 7890 (underlined) value in the totals indicates career mark is incomplete.

Teams Played For

Year Age Tm Lg Lev
2006 21 Lowell Spinners New York-Pennsylvania League A- 2006-06-23 2006-08-31
2007 22 Lancaster JetHawks California League A+ 2007-04-08 2007-07-04
2007 22 Portland Sea Dogs Eastern League AA 2007-07-09 2007-08-31
2008 23 Portland Sea Dogs Eastern League AA 2008-04-03 2008-05-15
2008 23 Boston Red Sox American League MLB 1 2008-04-24 2008-09-28
2008 23 Pawtucket Red Sox International League AAA 2008-05-29 2008-07-17
2009 24 Boston Red Sox American League MLB 1 2009-04-07 2009-07-29
2009 24 Cleveland Indians American League MLB 2 2009-08-01 2009-09-30
2010 25 Cleveland Indians American League MLB 1 2010-04-08 2010-10-03
2011 26 Cleveland Indians American League MLB 1 2011-04-03 2011-09-23
2012 27 Cleveland Indians American League MLB 1 2012-04-05 2012-10-02
2013 28 Cleveland Indians American League MLB 1 2013-04-02 2013-09-29
2014 29 Cleveland Indians American League MLB 1 2014-03-31 2014-07-07
2014 29 Columbus Clippers International League AAA 2014-07-20 2014-07-25
2014 29 St. Louis Cardinals National League MLB 2 2014-08-02 2014-09-28
2015 30 Boston Red Sox American League MLB 1 2015-04-09 2015-08-09
2015 30 Pawtucket Red Sox International League AAA 2015-05-31 2015-06-16
2015 30 Portland Sea Dogs Eastern League AA 2015-06-05 2015-06-05
2016 31 Bradenton Marauders Florida State League A+ 2016-05-29 2016-05-29
2016 31 Indianapolis Indians International League AAA 2016-06-05 2016-07-18

Sabr ID: b6afcf02

About the Minor League Data

Performance data on minor and international leagues is licensed from and provided by the SABR Minor Leagues Database, a community project sponsored by the Minor Leagues Committee of the Society for American Baseball Research.

The database is under active development. Many statistics are incomplete due to ongoing research and/or limitations in published sources. To learn more about these limitations, or to find out how to contribute, click here.

Minor league Total Zone (Rctch&Rtz, 2005-2009) data provided by Baseballprojection.com and Minorleaguesplits.com.