Edwin Diaz vs Rollie Fingers: Career Stats Comparison
Edwin Diaz (2016–present) and Rollie Fingers (1968–1985) — breaking in during the 2010s and the 1960s respectively, so they pitched against very different hitting environments. Edwin Diaz compiled 28 wins and 839 strikeouts; Rollie Fingers put up 114 wins and 1,299 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Rollie Fingers
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 | Edwin Diaz | Rollie Fingers |
|---|---|---|
| Wins | 28 | 114 |
| Losses | 36 | 118 |
| Games | 520 | 944 |
| Games Started | 0 | 37 |
| Complete Games | 0 | 4 |
| Shutouts | 0 | 2 |
| Saves | 253 | 341 |
| Strikeouts | 839 | 1,299 |
| Walks | 182 | 492 |
| Hits Allowed | 356 | 1,474 |
| Home Runs Allowed | 54 | 123 |
| Innings Pitched | 519 | 1,701 |
| ERA | 2.82 | 2.90 |
| WHIP | 1.04 | 1.16 |
| K/9 | 14.54 | 6.87 |
| BB/9 | 3.15 | 2.60 |
PIV Comparison
By PIV (Player Impact Value), Rollie Fingers outpaces Edwin Diaz 33,082 to 21,805 — a gap driven primarily by per-season impact (1,946 vs 2,423 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).
Edwin Diaz — top 0 seasons by ERA (lower is better)
Rollie Fingers — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Rollie Fingers leads in wins, strikeouts, and innings pitched, while Edwin Diaz owns ERA, WHIP, and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Rollie Fingers. PIV agrees: Rollie Fingers grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.