| W | L | ERA | G | GS | SV | IP | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|
| 2007 | 2 | 9 | 6.45 | 19 | 18 | 0 | 99 | 71 | 1.55 |
| 2008 | 0 | 5 | 8.56 | 6 | 6 | 0 | 27.1 | 12 | 1.94 |
| 2009 | 2 | 4 | 4.13 | 44 | 0 | 1 | 61 | 44 | 1.56 |
| 9 Seasons | 62 | 74 | 4.95 | 225 | 180 | 1 | 1,128.1 | 749 | 1.56 |
| G | W-L | ERA | IP | SO | WHIP | |
|---|---|---|---|---|---|---|
| 2007 | 19 | 2-9 | 6.45 | 99 | 71 | 1.55 |
| 2008 | 6 | 0-5 | 8.56 | 27.1 | 12 | 1.94 |
| 2009 | 44 | 2-4 | 4.13 | 61 | 44 | 1.56 |
| 9 Seasons | 225 | 62-74 | 4.95 | 1,128.1 | 749 | 1.56 |
| Season | Tm | LG | BF | W | L | ERA | G | GS | SV | IP | H | R | ER | HR | BB | SO | WHIP | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2001 | NL | 174 | 4 | 1 | 4.58 | 7 | 7 | 0 | 39.1 | 42 | 21 | 20 | 2 | 19 | 26 | 1.55 | ||
| 2002 | NL | 808 | 16 | 8 | 4.52 | 32 | 32 | 0 | 185.1 | 201 | 102 | 93 | 26 | 70 | 127 | 1.46 | ||
| 2003 | NL | 820 | 12 | 13 | 5.11 | 32 | 32 | 0 | 181.1 | 212 | 115 | 103 | 20 | 88 | 119 | 1.65 | ||
| 2004 | NL | 925 | 11 | 12 | 5.51 | 33 | 33 | 0 | 201.0 | 241 | 125 | 123 | 27 | 101 | 133 | 1.70 | ||
| 2005 | NL | 551 | 6 | 9 | 5.02 | 20 | 20 | 0 | 122.0 | 130 | 73 | 68 | 11 | 62 | 75 | 1.57 | ||
| 2006 | NL | 902 | 9 | 13 | 3.78 | 32 | 32 | 0 | 212.0 | 206 | 94 | 89 | 17 | 85 | 142 | 1.37 | ||
| 2007 | NL | 445 | 2 | 9 | 6.45 | 19 | 18 | 0 | 99.0 | 119 | 73 | 71 | 19 | 34 | 71 | 1.55 | ||
| 2008 | AL | 135 | 0 | 5 | 8.56 | 6 | 6 | 0 | 27.1 | 35 | 27 | 26 | 8 | 18 | 12 | 1.94 | ||
| 2009 | AL | 272 | 2 | 4 | 4.13 | 44 | 0 | 1 | 61.0 | 67 | 31 | 28 | 7 | 28 | 44 | 1.56 | ||
| 9 Seasons | 5032 | 62 | 74 | 4.95 | 225 | 180 | 1 | 1128.1 | 1253 | 661 | 621 | 137 | 505 | 749 | 1.56 |
| Year | R | Rank |
|---|---|---|
| 2004 | 125 | 2nd in NL |
| 2003 | 115 | 5th in NL |
| 2002 | 102 | 11th in NL |
| Year | HR | Rank |
|---|---|---|
| 2004 | 27 | 11th in NL |
| 2002 | 26 | 11th in NL |
| Year | H | Rank |
|---|---|---|
| 2006 | 206 | 20th in NL |
| 2004 | 241 | 1st in NL |
| 2003 | 212 | 7th in NL |
| 2002 | 201 | 15th in NL |
| Year | HBP | Rank |
|---|---|---|
| 2002 | 8 | 15th in NL |
| Year | Wins | Rank |
|---|---|---|
| 2002 | 16 | 7th in NL |
| Year | TB | Rank |
|---|---|---|
| 2004 | 385 | 1st in NL |
| 2003 | 331 | 10th in NL |
| 2002 | 316 | 17th in NL |
| Year | 2B | Rank |
|---|---|---|
| 2004 | 47 | 12th in NL |
| 2003 | 51 | 7th in NL |
| Year | 3B | Rank |
|---|---|---|
| 2006 | 8 | 7th in NL |
| 2004 | 8 | 2nd in NL |
| 2003 | 4 | 24th in NL |
| Year | Losses | Rank |
|---|---|---|
| 2006 | 13 | 8th in NL |
| 2004 | 12 | 13th in NL |
| 2003 | 13 | 6th in NL |
| Year | AB | Rank |
|---|---|---|
| 2006 | 800 | 18th in NL |
| 2004 | 805 | 11th in NL |
| Year | IP | Rank |
|---|---|---|
| 2006 | 212.0 | 17th in NL |
| 2004 | 201.0 | 21st in NL |
| Year | SO | Rank |
|---|---|---|
| 2006 | 142 | 23rd in NL |
| Year | Team |
|---|---|
| 2002 |
|
| Year | Team |
|---|---|
| 2002 |
|
| Month | Team |
|---|---|
| 08/2002 |
|
| Team | Date | Transaction |
|---|---|---|
|
|
11/06/2010 | RHP Jason Jennings elected free agency. |
|
|
08/24/2010 | RHP Jason Jennings assigned to Sacramento River Cats from AZL Athletics. |
|
|
08/09/2010 | Jason Jennings assigned to AZL Athletics. |
|
|
02/28/2010 | Oakland Athletics signed free agent RHP Jason Jennings to a minor league contract and invited him to spring training. |
|
|
08/27/2009 | Texas Rangers designated Jason Jennings for assignment. |