Trevor Hoffman vs Kenley Jansen: Career Stats Comparison
Trevor Hoffman (1993–2010) and Kenley Jansen (2010–present) — breaking in during the 1990s and the 2010s respectively, so they pitched against very different hitting environments. Trevor Hoffman compiled 61 wins and 1,133 strikeouts; Kenley Jansen put up 54 wins and 1,278 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Trevor Hoffman
Kenley Jansen
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 | Trevor Hoffman | Kenley Jansen |
|---|---|---|
| Wins | 61 | 54 |
| Losses | 75 | 40 |
| Games | 1,035 | 933 |
| Games Started | 0 | 0 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | 601 | 476 |
| Strikeouts | 1,133 | 1,278 |
| Walks | 307 | 282 |
| Hits Allowed | 846 | 610 |
| Home Runs Allowed | 100 | 88 |
| Innings Pitched | 1,089 | 927 |
| ERA | 2.87 | 2.57 |
| WHIP | 1.06 | 0.96 |
| K/9 | 9.36 | 12.40 |
| BB/9 | 2.54 | 2.74 |
PIV Comparison
By PIV (Player Impact Value), Trevor Hoffman edges Kenley Jansen 37,065 to 34,863 — a gap driven primarily by per-season impact (1,951 vs 2,179 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).
Trevor Hoffman — top 0 seasons by ERA (lower is better)
Kenley Jansen — top 0 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Kenley Jansen leads in strikeouts, ERA, WHIP, and K/9, while Trevor Hoffman owns wins and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Kenley Jansen. Note that PIV actually grades Trevor Hoffman ahead, which means Kenley Jansen's edge is partly volume. Click through to each profile for the full season-by-season breakdown.