| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Clayton Mortensen |
| Given Name | Clayton Grant |
| Birth Date | 1985-4-10 |
| Birth City | Rexburg, ID |
| Height | 6'4" |
| Weight | 185 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009 | Oakland Athletics | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 2009 | Oakland Athletics | 0 | 1 | 0 | 0 | 0 | 2 | 4 | 6 | 11 | 0 |
| 2009 | Oakland Athletics | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 2 | 0 |
| 2009 | Oakland Athletics | 0 | 0 | 0 | 0 | NAN | 2 | 4 | 6 | 11 | 0 |
| 2009 | St. Louis Cardinals | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 |
| 2009 | St. Louis Cardinals | 0 | 1 | 0 | 0 | 0 | 2 | 4 | 6 | 11 | 0 |
| 2009 | St. Louis Cardinals | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 2 | 0 |
| 2009 | St. Louis Cardinals | 0 | 0 | 0 | 0 | NAN | 2 | 4 | 6 | 11 | 0 |
| 2010 | Oakland Athletics | 0 | 0 | 0 | 0 | NAN | 0 | 0 | 1 | 7 | 0 |
| 2011 | Colorado Rockies | 0 | 13 | 0 | 1 | 0 | 2 | 4 | 16 | 30 | 0 |
| 2012 | Boston Red Sox | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 26 | 41 | 0 |
| 2013 | Boston Red Sox | 0 | 1 | 0 | 0 | 0 | 1 | 2 | 24 | 21 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 2009 | Pitcher | 0 | 0 | 0 |
| 2009 | Pitcher | 1 | 0 | 3 |
| 2010 | Pitcher | 0 | 0 | 1 |
| 2011 | Pitcher | 1 | 1 | 9 |
| 2012 | Pitcher | 0 | 0 | 8 |
| 2013 | Pitcher | 1 | 0 | 4 |