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| Given Name: | William Jennings |
| Birth Date: | 1983-8-27 |
| Birth City: | Decatur |
| Birth Country: | |
| Height: | 74 cm |
| Weight: | 205 kg |
| Bats: | Right |
| Throws: | Right |
| Age: | 42 |
| Teams and Years | Batting Average | Hits | At Bats | Home Runs | Runs Batted In | Wins | Losses | Games Pitched In | Strikeouts | Shutouts | Position | Errors | Double Plays | Assists |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2007 Kansas City Royals | 0 | 0 | 0 | 0 | 1 | 2 | 7 | 17 | 0 | P | 0 | 2 | 3 | |
| 2008 Arizona Diamondbacks | 0.000 | 0 | 1 | 0 | 0 | 1 | 0 | 10 | 11 | 0 | P | 0 | 0 | 0 |
| 2009 Arizona Diamondbacks | 0.238 | 5 | 21 | 0 | 6 | 4 | 6 | 16 | 64 | 0 | P | 1 | 1 | 7 |
| 2010 Arizona Diamondbacks | 0.250 | 1 | 4 | 0 | 0 | 0 | 3 | 3 | 11 | 0 | P | 0 | 0 | 1 |
| 2013 Los Angeles Angels of Anaheim | 0 | 0 | 0 | 0 | 1 | 0 | 7 | 7 | 0 | P | 0 | 0 | 1 | |
| 2014 San Diego Padres | 0.000 | 0 | 1 | 0 | 0 | 0 | 1 | 1 | 4 | 0 | P | 0 | 0 | 0 |