Jon Lester vs Aaron Nola: Career Stats Comparison
Jon Lester (2006–2021) and Aaron Nola (2015–present) — breaking in during the 2000s and the 2010s respectively, so they pitched against very different hitting environments. Jon Lester compiled 200 wins and 2,488 strikeouts; Aaron Nola put up 109 wins and 1,876 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Jon Lester
Aaron Nola
Career Stats Side-by-Side
Every cell below is a career total or career rate. Cells highlighted in green mark the player who leads that line. For pitchers, lower ERA, WHIP, and BB/9 lead; higher K/9 leads.
| Statistic | Jon Lester | Aaron Nola |
|---|---|---|
| Wins | 200 | 109 |
| Losses | 117 | 89 |
| Games | 452 | 285 |
| Games Started | 451 | 285 |
| Complete Games | 15 | 6 |
| Shutouts | 4 | 4 |
| Saves | 0 | 0 |
| Strikeouts | 2,488 | 1,876 |
| Walks | 892 | 449 |
| Hits Allowed | 2,610 | 1,522 |
| Home Runs Allowed | 294 | 217 |
| Innings Pitched | 2,740 | 1,715 |
| ERA | 3.66 | 3.83 |
| WHIP | 1.28 | 1.15 |
| K/9 | 8.17 | 9.84 |
| BB/9 | 2.93 | 2.36 |
PIV Comparison
By PIV (Player Impact Value), Aaron Nola leads Jon Lester 31,635 to 26,549 — a gap driven primarily by per-season impact (2,876 vs 1,475 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
Peak Seasons
The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).
Jon Lester — top 3 seasons by ERA (lower is better)
Aaron Nola — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Jon Lester leads in wins, strikeouts, ERA, and innings pitched, while Aaron Nola owns WHIP and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Jon Lester. Note that PIV actually grades Aaron Nola ahead, which means Jon Lester's edge is partly volume. Click through to each profile for the full season-by-season breakdown.