Jon Lieber vs Javier Vazquez: Career Stats Comparison
Jon Lieber (1994–2008) and Javier Vazquez (1998–2011) — both came up during the 1990s, so the matchup is a direct one. Jon Lieber compiled 131 wins and 1,553 strikeouts; Javier Vazquez put up 165 wins and 2,536 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Jon Lieber
Javier Vazquez
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 | Javier Vazquez |
|---|---|---|
| Wins | 131 | 165 |
| Losses | 124 | 160 |
| Games | 401 | 450 |
| Games Started | 327 | 443 |
| Complete Games | 25 | 28 |
| Shutouts | 5 | 8 |
| Saves | 2 | 0 |
| Strikeouts | 1,553 | 2,536 |
| Walks | 422 | 763 |
| Hits Allowed | 2,388 | 2,784 |
| Home Runs Allowed | 285 | 373 |
| Innings Pitched | 2,198 | 2,840 |
| ERA | 4.27 | 4.22 |
| WHIP | 1.28 | 1.25 |
| K/9 | 6.36 | 8.04 |
| BB/9 | 1.73 | 2.42 |
PIV Comparison
By PIV (Player Impact Value), Javier Vazquez leads Jon Lieber 36,249 to 27,226 — a gap driven primarily by per-season impact (2,589 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)
Javier Vazquez — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Javier Vazquez leads in wins, strikeouts, ERA, and WHIP, while Jon Lieber owns no headline categories. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Javier Vazquez. PIV agrees: Javier Vazquez grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.