Jeff Fassero vs Billy Wagner: Career Stats Comparison
Jeff Fassero and Billy Wagner are close to even, splitting the 12 statistical categories compared on this page 6–6. Jeff Fassero played 1991–2006 as a pitcher; Billy Wagner played 1995–2010 as a pitcher.
- ERA (Earned Run Average):
- Earned runs allowed per nine innings pitched: (ER × 9) ÷ IP. The primary measure of pitching effectiveness.
- W (Wins):
- Games credited to a pitcher whose team took a lead it never surrendered while he was the pitcher of record.
- SO (Strikeouts):
- For a batter, times retired on a third strike; for a pitcher, batters retired on a third strike.
- WHIP (Walks and Hits per Inning Pitched):
- Baserunners allowed per inning: (BB + H) ÷ IP. Under 1.00 is elite.
Data updated
Jeff Fassero (1991–2006) and Billy Wagner (1995–2010) — both came up during the 1990s, so the matchup is a direct one. Jeff Fassero compiled 121 wins and 1,643 strikeouts; Billy Wagner put up 47 wins and 1,196 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Billy Wagner, with 2.31 to Jeff Fassero's 4.11.
- Who won more games? Jeff Fassero, with 121 to Billy Wagner's 47.
- Who recorded more strikeouts? Jeff Fassero, with 1,643 to Billy Wagner's 1,196.
- Who had the better WHIP? Billy Wagner, with 1.00 to Jeff Fassero's 1.38.
- Who pitched more innings? Jeff Fassero, with 2,033 to Billy Wagner's 903.
- Who threw more shutouts? Jeff Fassero, with 2 to Billy Wagner's 0.
- Who has the higher career Pitcher PIV? Billy Wagner, with 38,470 career Pitcher PIV to Jeff Fassero's 25,161.
Jeff Fassero
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. Lower ERA, WHIP and BB/9 lead; higher K/9 leads. Totals where fewer is not an achievement -- losses, walks and hits allowed -- are left unmarked, because they track how long someone pitched rather than how well. Rate stats are not era-adjusted: compare them with the era in mind, or use the PIV card below, which is.
| Statistic | Jeff Fassero | Billy Wagner |
|---|---|---|
| Wins | Leads: 121 | 47 |
| Losses | 124 | 40 |
| Games | 720 | Leads: 853 |
| Games Started | Leads: 242 | 0 |
| Complete Games | Leads: 17 | 0 |
| Shutouts | Leads: 2 | 0 |
| Saves | 25 | Leads: 422 |
| Strikeouts | Leads: 1,643 | 1,196 |
| Walks | 724 | 300 |
| Hits Allowed | 2,083 | 601 |
| Home Runs Allowed | 214 | 82 |
| Innings Pitched | Leads: 2,033 | 903 |
| ERA | 4.11 | Leads: 2.31 |
| WHIP | 1.38 | Leads: 1.00 |
| K/9 | 7.27 | Leads: 11.92 |
| BB/9 | 3.20 | Leads: 2.99 |
PIV Comparison
By PIV (Player Impact Value), Billy Wagner outpaces Jeff Fassero 38,470 to 25,161 — a gap driven primarily by per-season impact (2,263 vs 1,324 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).
Jeff Fassero — top 3 seasons by ERA (lower is better)
Billy Wagner
No seasons meet the qualifying workload, so there is no peak-season list to show.
Verdict
On the head-to-head card, Billy Wagner leads in ERA, WHIP, and K/9, while Jeff Fassero owns wins, strikeouts, 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.
Related Matchups
Jeff Fassero vs Billy Wagner: Frequently Asked Questions
- Who had the better ERA?
- Billy Wagner, with 2.31 to Jeff Fassero's 4.11.
- Who won more games?
- Jeff Fassero, with 121 to Billy Wagner's 47.
- Who recorded more strikeouts?
- Jeff Fassero, with 1,643 to Billy Wagner's 1,196.
- Who had the better WHIP?
- Billy Wagner, with 1.00 to Jeff Fassero's 1.38.