Keith Foulke vs Roberto Hernandez: Career Stats Comparison
Keith Foulke (1997–2008) and Roberto Hernandez (1991–2007) — both came up during the 1990s, so the matchup is a direct one. Keith Foulke compiled 41 wins and 718 strikeouts; Roberto Hernandez put up 67 wins and 945 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Keith Foulke
Roberto Hernandez
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 | Keith Foulke | Roberto Hernandez |
|---|---|---|
| Wins | 41 | 67 |
| Losses | 37 | 71 |
| Games | 619 | 1,010 |
| Games Started | 8 | 3 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | 191 | 326 |
| Strikeouts | 718 | 945 |
| Walks | 194 | 462 |
| Hits Allowed | 652 | 1,002 |
| Home Runs Allowed | 94 | 96 |
| Innings Pitched | 786 | 1,071 |
| ERA | 3.33 | 3.45 |
| WHIP | 1.08 | 1.37 |
| K/9 | 8.21 | 7.94 |
| BB/9 | 2.22 | 3.88 |
PIV Comparison
By PIV (Player Impact Value), Keith Foulke edges Roberto Hernandez 15,363 to 14,908 — a gap driven primarily by per-season impact (1,280 vs 745 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).
Keith Foulke — top 0 seasons by ERA (lower is better)
Roberto Hernandez — top 0 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Keith Foulke leads in ERA, WHIP, and K/9, while Roberto Hernandez owns wins, strikeouts, and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Keith Foulke. PIV agrees: Keith Foulke grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.