Joe Nathan vs Billy Wagner: Career Stats Comparison
Joe Nathan (1999–2016) and Billy Wagner (1995–2010) — both came up during the 1990s, so the matchup is a direct one. Joe Nathan compiled 64 wins and 976 strikeouts; Billy Wagner put up 47 wins and 1,196 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Billy Wagner
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 | Joe Nathan | Billy Wagner |
|---|---|---|
| Wins | 64 | 47 |
| Losses | 34 | 40 |
| Games | 787 | 853 |
| Games Started | 29 | 0 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | 377 | 422 |
| Strikeouts | 976 | 1,196 |
| Walks | 344 | 300 |
| Hits Allowed | 690 | 601 |
| Home Runs Allowed | 84 | 82 |
| Innings Pitched | 923 | 903 |
| ERA | 2.87 | 2.31 |
| WHIP | 1.12 | 1.00 |
| K/9 | 9.51 | 11.92 |
| BB/9 | 3.35 | 2.99 |
PIV Comparison
By PIV (Player Impact Value), Billy Wagner outpaces Joe Nathan 38,470 to 22,319 — a gap driven primarily by per-season impact (2,263 vs 1,313 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).
Joe Nathan — top 0 seasons by ERA (lower is better)
Billy Wagner — top 0 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Billy Wagner leads in strikeouts, ERA, WHIP, and K/9, while Joe Nathan owns wins and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Billy Wagner. PIV agrees: Billy Wagner grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.