Jon Lieber vs Andy Pettitte: Career Stats Comparison
Jon Lieber (1994–2008) and Andy Pettitte (1995–2013) — both came up during the 1990s, so the matchup is a direct one. Jon Lieber compiled 131 wins and 1,553 strikeouts; Andy Pettitte put up 256 wins and 2,448 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Jon Lieber
Andy Pettitte
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 Lieber | Andy Pettitte |
|---|---|---|
| Wins | 131 | 256 |
| Losses | 124 | 153 |
| Games | 401 | 531 |
| Games Started | 327 | 521 |
| Complete Games | 25 | 26 |
| Shutouts | 5 | 4 |
| Saves | 2 | 0 |
| Strikeouts | 1,553 | 2,448 |
| Walks | 422 | 1,031 |
| Hits Allowed | 2,388 | 3,448 |
| Home Runs Allowed | 285 | 288 |
| Innings Pitched | 2,198 | 3,316 |
| ERA | 4.27 | 3.85 |
| WHIP | 1.28 | 1.35 |
| K/9 | 6.36 | 6.64 |
| BB/9 | 1.73 | 2.80 |
PIV Comparison
By PIV (Player Impact Value), Andy Pettitte outpaces Jon Lieber 57,293 to 27,226 — a gap driven primarily by per-season impact (3,183 vs 1,945 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 Lieber — top 3 seasons by ERA (lower is better)
Andy Pettitte — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Andy Pettitte leads in wins, strikeouts, ERA, and K/9, while Jon Lieber owns WHIP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Andy Pettitte. PIV agrees: Andy Pettitte grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.