Roger Clemens vs Zack Wheeler: Career Stats Comparison
Roger Clemens (1984–2007) and Zack Wheeler (2013–present) — breaking in during the 1980s and the 2010s respectively, so they pitched against very different hitting environments. Roger Clemens compiled 354 wins and 4,672 strikeouts; Zack Wheeler put up 113 wins and 1,820 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Roger Clemens
Zack Wheeler
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 | Roger Clemens | Zack Wheeler |
|---|---|---|
| Wins | 354 | 113 |
| Losses | 184 | 75 |
| Games | 709 | 283 |
| Games Started | 707 | 283 |
| Complete Games | 118 | 5 |
| Shutouts | 46 | 3 |
| Saves | 0 | 0 |
| Strikeouts | 4,672 | 1,820 |
| Walks | 1,580 | 490 |
| Hits Allowed | 4,185 | 1,475 |
| Home Runs Allowed | 363 | 166 |
| Innings Pitched | 4,916 | 1,728 |
| ERA | 3.12 | 3.28 |
| WHIP | 1.17 | 1.14 |
| K/9 | 8.55 | 9.48 |
| BB/9 | 2.89 | 2.55 |
PIV Comparison
By PIV (Player Impact Value), Roger Clemens outpaces Zack Wheeler 146,187 to 39,270 — a gap driven primarily by per-season impact (6,091 vs 3,570 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).
Roger Clemens — top 3 seasons by ERA (lower is better)
Zack Wheeler — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Roger Clemens leads in wins, strikeouts, ERA, and innings pitched, while Zack Wheeler owns WHIP and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Roger Clemens. PIV agrees: Roger Clemens grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.