| Home | Teams and Players | Homerun Kings | Top Salaries | Top RBIs | Hall of Fame |

| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Justin | Masterson | Justin Daniel | 1985 | 3 | 22 | Kingston | Jamaica | 78 | 260 | -1986 | R | R |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 2008 | Boston Red Sox | 5 | 0 | 0 | 0.0000 |
| 2009 | Boston Red Sox | 0 | 0 | 0 | 0.0000 |
| 2009 | Cleveland Indians | 0 | 0 | 0 | 0.0000 |
| 2010 | Cleveland Indians | 4 | 0 | 0 | 0.2500 |
| 2011 | Cleveland Indians | 6 | 0 | 0 | 0.1667 |
| 2012 | Cleveland Indians | 2 | 0 | 0 | 0.0000 |
| 2013 | Cleveland Indians | 2 | 0 | 0 | 0.5000 |
| 2014 | Cleveland Indians | 3 | 0 | 0 | 0.0000 |
| 2014 | St. Louis Cardinals | 8 | 0 | 1 | 0.2500 |
| 2015 | Boston Red Sox | 3 | 0 | 1 | 0.6667 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 2008 | Boston Red Sox | 6 | 5 | 36 | 0 |
| 2009 | Boston Red Sox | 3 | 3 | 31 | 0 |
| 2009 | Boston Red Sox | 1 | 7 | 11 | 0 |
| 2009 | Cleveland Indians | 3 | 3 | 31 | 0 |
| 2009 | Cleveland Indians | 1 | 7 | 11 | 0 |
| 2010 | Cleveland Indians | 6 | 13 | 34 | 1 |
| 2011 | Cleveland Indians | 12 | 10 | 34 | 0 |
| 2012 | Cleveland Indians | 11 | 15 | 34 | 0 |
| 2013 | Cleveland Indians | 14 | 10 | 32 | 3 |
| 2014 | Cleveland Indians | 4 | 6 | 19 | 0 |
| 2014 | Cleveland Indians | 3 | 3 | 9 | 0 |
| 2014 | St. Louis Cardinals | 4 | 6 | 19 | 0 |
| 2014 | St. Louis Cardinals | 3 | 3 | 9 | 0 |
| 2015 | Boston Red Sox | 4 | 2 | 18 | 0 |