| 2009 Season Stats |
| SPLITS | G | GS | CG | SHO | IP | H | R | ER | HR | BB | SO | W | L | P/GS | WHIP | BAA | ERA |
| Season | 32 | 32 | 2 | 0 | 203.1 | 186 | 80 | 77 | 20 | 64 | 225 | 15 | 8 | 106.3 | 1.23 | .242 | 3.41 |
| Career | 92 | 91 | 4 | 2 | 558.0 | 540 | 234 | 227 | 51 | 204 | 487 | 42 | 16 | 102.0 | 1.33 | .257 | 3.66 |
Through November 21 - Current stats updated real-time, Career stats updated nightly.
| Transactions |
| Jon Lester has not been involved in any transactions this season. |
| Year-By-Year Salary |
| Contract Year | Salary | Contract Year | Salary |
| 2007 | $384,000 | 2008 | $421,500 |
| 2009 | $1,000,000 | |
Salary data may not be available for every year.
| League Leaders - 2009 |
| • Ranks 10th in AL in W (15) | • Ranks 3rd in AL in SO (225) |
| • Ranks 5th in AL in ERA (3.41) | • Ranks 10th in AL in WHIP (1.23) |
| • Ranks 10th in AL in W% (.652) | • Ranks 9th in AL in CG (2) |
| Quick Splits |
| VS. LEFT: .257 / .717 VS. RIGHT: .237 / .649 HOME: .240 / .631 AWAY: .244 / .695 (Stats listed are batting average and OPS against) |
| Complete Splits |
Data provided by Elias Sports Bureau