Jon Lester played 16 seasons for 5 teams, including the Red Sox and Cubs. He had 200 wins, 117 losses, an ERA of 3.66 and 2,488 strikeouts. He won 1 League Championship MVP award and 3 World Series.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | J. Lester | 2006 | 15 | 7 | 2 | .778 | 15 | 4.76 | 60 | 0 | 0 | 0 | 81.1 | 91 | 43 | 43 | 7 | 43 | 5 | 0 | 1 | 367 | 5 | 6.64 | 4.76 | 1.40 | 0.77 | 16.3 | 11.7 | 1.65 | .333 | 4.76 | 101 | 4.55 | 103 | 10.07 | -1.3 | |
| 2 | | J. Lester | 2007 | 12 | 4 | 0 | 1.000 | 11 | 4.57 | 50 | 0 | 0 | 0 | 63.0 | 61 | 32 | 33 | 10 | 31 | 1 | 0 | 0 | 275 | 1 | 7.14 | 4.43 | 1.61 | 1.43 | 18.2 | 11.3 | 1.46 | .279 | 4.71 | 99 | 5.23 | 122 | 8.71 | -6.8 | |
| 3 | | J. Lester | 2008 | 33 | 16 | 6 | .727 | 33 | 3.21 | 152 | 2 | 2 | 0 | 210.1 | 202 | 75 | 78 | 14 | 66 | 10 | 0 | 1 | 874 | 3 | 6.50 | 2.82 | 2.30 | 0.60 | 17.4 | 7.6 | 1.27 | .297 | 3.34 | 71 | 3.63 | 87 | 8.64 | 13.2 | |
| 4 | | J. Lester | 2009 | 32 | 15 | 8 | .652 | 32 | 3.41 | 225 | 2 | 0 | 0 | 203.1 | 186 | 77 | 80 | 20 | 64 | 3 | 0 | 0 | 843 | 6 | 9.96 | 2.83 | 3.52 | 0.89 | 26.7 | 7.6 | 1.23 | .313 | 3.54 | 73 | 3.14 | 73 | 8.23 | 27 | |
| 5 | | J. Lester | 2010 | 32 | 19 | 9 | .679 | 32 | 3.25 | 225 | 2 | 0 | 0 | 208.0 | 167 | 75 | 81 | 14 | 83 | 10 | 0 | 0 | 861 | 6 | 9.74 | 3.59 | 2.71 | 0.61 | 26.1 | 9.6 | 1.20 | .289 | 3.50 | 75 | 3.12 | 76 | 7.23 | 23.3 | |
| 6 | | J. Lester | 2011 | 31 | 15 | 9 | .625 | 31 | 3.47 | 182 | 0 | 0 | 0 | 191.2 | 166 | 74 | 77 | 20 | 75 | 11 | 0 | 0 | 799 | 4 | 8.55 | 3.52 | 2.43 | 0.94 | 22.8 | 9.4 | 1.26 | .286 | 3.62 | 82 | 3.82 | 97 | 7.79 | 2.8 | |
| 7 | | J. Lester | 2012 | 33 | 9 | 14 | .391 | 33 | 4.82 | 166 | 3 | 0 | 0 | 205.1 | 216 | 110 | 117 | 25 | 68 | 4 | 0 | 2 | 876 | 6 | 7.28 | 2.98 | 2.44 | 1.10 | 18.9 | 7.8 | 1.38 | .312 | 5.13 | 114 | 4.10 | 101 | 9.47 | -1.5 | |
| 8 | | J. Lester | 2013 | 33 | 15 | 8 | .652 | 33 | 3.75 | 177 | 1 | 1 | 0 | 213.1 | 209 | 89 | 94 | 19 | 67 | 7 | 0 | 0 | 903 | 5 | 7.47 | 2.83 | 2.64 | 0.80 | 19.6 | 7.4 | 1.29 | .300 | 3.97 | 90 | 3.58 | 92 | 8.82 | 7.1 | |
| 9 | | J. Lester | 2014 | TOT | 32 | 16 | 11 | .593 | 32 | 2.46 | 220 | 1 | 1 | 0 | 219.2 | 194 | 60 | 76 | 16 | 48 | 5 | 0 | 0 | 885 | 3 | 9.01 | 1.97 | 4.58 | 0.66 | 24.9 | 5.4 | 1.10 | .299 | 3.11 | 63 | 2.80 | 75 | 7.95 | 23.1 |
| 10 |  | J. Lester | 2015 | 32 | 11 | 12 | .478 | 32 | 3.34 | 207 | 1 | 0 | 0 | 205.0 | 183 | 76 | 83 | 16 | 47 | 7 | 0 | 0 | 828 | 8 | 9.09 | 2.06 | 4.40 | 0.70 | 25.0 | 5.7 | 1.12 | .303 | 3.64 | 85 | 2.91 | 75 | 8.03 | 21.9 | |
| 11 | | J. Lester | 2016 | 32 | 19 | 5 | .792 | 32 | 2.44 | 197 | 2 | 0 | 0 | 202.2 | 154 | 55 | 57 | 21 | 52 | 6 | 0 | 0 | 796 | 4 | 8.75 | 2.31 | 3.79 | 0.93 | 24.7 | 6.5 | 1.02 | .256 | 2.53 | 59 | 3.40 | 82 | 6.84 | 16.3 | |
| 12 | | J. Lester | 2017 | 32 | 13 | 8 | .619 | 32 | 4.33 | 180 | 1 | 0 | 0 | 180.2 | 179 | 87 | 101 | 26 | 60 | 4 | 0 | 3 | 763 | 3 | 8.97 | 2.99 | 3.00 | 1.30 | 23.6 | 7.9 | 1.32 | .310 | 5.03 | 100 | 4.09 | 95 | 8.92 | 4.5 | |
| 13 | | J. Lester | 2018 | 32 | 18 | 6 | .750 | 32 | 3.32 | 149 | 0 | 0 | 0 | 181.2 | 174 | 67 | 75 | 24 | 64 | 6 | 0 | 1 | 761 | 4 | 7.38 | 3.17 | 2.33 | 1.19 | 19.6 | 8.4 | 1.31 | .290 | 3.72 | 83 | 4.39 | 109 | 8.62 | -7.6 | |
| 14 | | J. Lester | 2019 | 31 | 13 | 10 | .565 | 31 | 4.46 | 165 | 0 | 0 | 0 | 171.2 | 205 | 85 | 101 | 26 | 52 | 5 | 0 | 0 | 764 | 3 | 8.65 | 2.73 | 3.17 | 1.36 | 21.6 | 6.8 | 1.50 | .347 | 5.30 | 101 | 4.25 | 96 | 10.75 | 3.4 | |
| 15 | | J. Lester | 2020 | 12 | 3 | 3 | .500 | 12 | 5.16 | 42 | 0 | 0 | 0 | 61.0 | 64 | 35 | 35 | 11 | 17 | 3 | 0 | 0 | 265 | 2 | 6.20 | 2.51 | 2.47 | 1.62 | 15.8 | 6.4 | 1.33 | .276 | 5.16 | 117 | 5.13 | 117 | 9.44 | -5 | |
| 16 | | J. Lester | 2021 | TOT | 28 | 7 | 6 | .538 | 28 | 4.71 | 91 | 0 | 0 | 0 | 141.1 | 159 | 74 | 84 | 25 | 55 | 3 | 0 | 5 | 627 | 0 | 5.79 | 3.50 | 1.65 | 1.59 | 14.5 | 8.8 | 1.51 | .296 | 5.35 | 114 | 5.41 | 128 | 10.13 | -18.7 |
| Total | 452 | 200 | 117 | .631 | 451 | 3.66 | 2,488 | 15 | 4 | 0 | 2740.0 | 2,610 | 1,114 | 1,215 | 294 | 892 | 90 | 0 | 13 | 11,487 | 63 | 8.17 | 2.93 | 2.79 | 0.97 | 21.7 | 7.8 | 1.28 | .300 | 3.99 | 86 | 3.77 | 92 | 8.57 | 101.7 |
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MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Mets
Marlins
Braves
Nationals
Cardinals
Pirates
Giants
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Royals
Twins
White Sox
Rangers
Athletics
Angels
