| Home | Teams and Players | Homerun Kings | Top Salaries | Most Runs Batted In | Hall of Fame |
| Name | Jeff Niemann |
| Given Name | Jeffrey Warren |
| Birth Date | 1983-2-28 |
| Birth City | Houston, TX |
| Height | 6'9" |
| Weight | 285 lbs. |
| Batting Hand | Right |
| Pitching Hand | Right |
| Alive | Yes |
| Age | 43 |
| Year | Team | Hits | At Bats | Home Runs | Runs Batted | Batting Average | Wins | Losses | # of Pitching Games | Strikeouts | # of Shutouts |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2008 | Tampa Bay Rays | 0 | 0 | 0 | 0 | NAN | 2 | 2 | 5 | 14 | 0 |
| 2009 | Tampa Bay Rays | 0 | 5 | 0 | 0 | 0 | 13 | 6 | 31 | 125 | 2 |
| 2010 | Tampa Bay Rays | 0 | 5 | 0 | 0 | 0 | 12 | 8 | 30 | 131 | 1 |
| 2011 | Tampa Bay Rays | 1 | 3 | 0 | 0 | 0.333333 | 11 | 7 | 23 | 105 | 0 |
| 2012 | Tampa Bay Rays | 0 | 0 | 0 | 0 | NAN | 2 | 3 | 8 | 34 | 0 |
| Year | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|
| 2008 | Pitcher | 0 | 0 | 1 |
| 2009 | Pitcher | 0 | 4 | 12 |
| 2010 | Pitcher | 1 | 1 | 14 |
| 2011 | Pitcher | 0 | 1 | 21 |
| 2012 | Pitcher | 0 | 2 | 6 |