| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Justin Masterson |
| Given Name | Justin Daniel |
| Birth Date | 1985-3-22 |
| Birth City | Kingston, Kingston |
| Birth Country | Jamaica |
| Height | 6'6" |
| Weight | 260 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | Yes |
| Age | 41 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | Boston Red Sox | 0 | 5 | 0 | 0 | 0 | 6 | 5 | 36 | 68 | 0 |
| 2009 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 3 | 3 | 31 | 67 | 0 |
| 2009 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 1 | 7 | 11 | 52 | 0 |
| 2009 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 3 | 3 | 31 | 67 | 0 |
| 2009 | Boston Red Sox | 0 | 0 | 0 | 0 | NAN | 1 | 7 | 11 | 52 | 0 |
| 2009 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 3 | 3 | 31 | 67 | 0 |
| 2009 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 1 | 7 | 11 | 52 | 0 |
| 2009 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 3 | 3 | 31 | 67 | 0 |
| 2009 | Cleveland Indians | 0 | 0 | 0 | 0 | NAN | 1 | 7 | 11 | 52 | 0 |
| 2010 | Cleveland Indians | 1 | 4 | 0 | 0 | 0.25 | 6 | 13 | 34 | 140 | 1 |
| 2011 | Cleveland Indians | 1 | 6 | 0 | 0 | 0.166667 | 12 | 10 | 34 | 158 | 0 |
| 2012 | Cleveland Indians | 0 | 2 | 0 | 0 | 0 | 11 | 15 | 34 | 159 | 0 |
| 2013 | Cleveland Indians | 1 | 2 | 0 | 0 | 0.5 | 14 | 10 | 32 | 195 | 3 |
| 2014 | Cleveland Indians | 0 | 3 | 0 | 0 | 0 | 4 | 6 | 19 | 93 | 0 |
| 2014 | Cleveland Indians | 0 | 3 | 0 | 0 | 0 | 3 | 3 | 9 | 23 | 0 |
| 2014 | Cleveland Indians | 2 | 8 | 0 | 1 | 0.25 | 4 | 6 | 19 | 93 | 0 |
| 2014 | Cleveland Indians | 2 | 8 | 0 | 1 | 0.25 | 3 | 3 | 9 | 23 | 0 |
| 2014 | St. Louis Cardinals | 0 | 3 | 0 | 0 | 0 | 4 | 6 | 19 | 93 | 0 |
| 2014 | St. Louis Cardinals | 0 | 3 | 0 | 0 | 0 | 3 | 3 | 9 | 23 | 0 |
| 2014 | St. Louis Cardinals | 2 | 8 | 0 | 1 | 0.25 | 4 | 6 | 19 | 93 | 0 |
| 2014 | St. Louis Cardinals | 2 | 8 | 0 | 1 | 0.25 | 3 | 3 | 9 | 23 | 0 |
| 2015 | Boston Red Sox | 2 | 3 | 0 | 1 | 0.666667 | 4 | 2 | 18 | 49 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 2008 | Pitcher | 1 | 2 | 10 |
| 2009 | Pitcher | 1 | 0 | 15 |
| 2009 | Pitcher | 1 | 1 | 7 |
| 2010 | Pitcher | 5 | 1 | 34 |
| 2011 | Pitcher | 2 | 4 | 32 |
| 2012 | Pitcher | 1 | 2 | 34 |
| 2013 | Pitcher | 1 | 3 | 27 |
| 2014 | Pitcher | 0 | 0 | 2 |
| 2014 | Pitcher | 1 | 5 | 20 |
| 2015 | Pitcher | 1 | 1 | 8 |