Jeff Fassero vs Mariano Rivera: Career Stats Comparison
Jeff Fassero and Mariano Rivera played different roles, so their careers are compared side by side rather than scored against each other. Jeff Fassero played 1991–2006 as a starting pitcher; Mariano Rivera played 1995–2013 as a relief 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 Mariano Rivera (1995–2013) held different pitching jobs, so this page does not score them category by category. Jeff Fassero worked mainly as a starter, with 242 starts and 121 wins; Mariano Rivera worked mainly in relief, with 1,115 games and 652 saves. Each career is shown below in its own role, with Pitcher PIV as the comparison.
Quick answer
- Who has the higher career Pitcher PIV? Mariano Rivera, with 52,571 career Pitcher PIV to Jeff Fassero's 25,161.
- Who won more championships? Mariano Rivera, with 5 World Series titles to Jeff Fassero's 0.
Jeff Fassero
Mariano Rivera
Career Stats, Each in His Own Role
Jeff Fassero is shown as a starter and Mariano Rivera as a reliever. Nothing is marked as a category winner, because a starter's totals and a reliever's totals measure different jobs.
Jeff Fassero — Starting Pitcher
| Statistic | Jeff Fassero |
|---|---|
| Wins | 121 |
| Losses | 124 |
| Games | 720 |
| Games Started | 242 |
| Complete Games | 17 |
| Shutouts | 2 |
| Saves | 25 |
| Strikeouts | 1,643 |
| Walks | 724 |
| Hits Allowed | 2,083 |
| Home Runs Allowed | 214 |
| Innings Pitched | 2,033.2 |
| ERA | 4.11 |
| WHIP | 1.38 |
| K/9 | 7.27 |
| BB/9 | 3.20 |
Mariano Rivera — Relief Pitcher
| Statistic | Mariano Rivera |
|---|---|
| Wins | 82 |
| Losses | 60 |
| Games | 1,115 |
| Games Started | 10 |
| Complete Games | 0 |
| Shutouts | 0 |
| Saves | 652 |
| Strikeouts | 1,173 |
| Walks | 286 |
| Hits Allowed | 998 |
| Home Runs Allowed | 71 |
| Innings Pitched | 1,283.2 |
| ERA | 2.21 |
| WHIP | 1.00 |
| K/9 | 8.22 |
| BB/9 | 2.01 |
PIV Comparison
Jeff Fassero carries a career Pitcher PIV of 25,161; Mariano Rivera carries a career Pitcher PIV of 52,571. Mariano Rivera is the higher of the two at 52,571 to 25,161. Pitcher PIV scores each season against that season's league and weights it by workload, so a starter's innings add to his total.
Peak Seasons
The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings for a starter, 40+ for a reliever).
Jeff Fassero — top 3 seasons by ERA (lower is better)
Mariano Rivera — top 3 seasons by ERA (lower is better)
Verdict
There is no head-to-head scoreboard for Jeff Fassero and Mariano Rivera: one worked mainly as a starter and the other mainly in relief. On Pitcher PIV, Mariano Rivera is higher, 52,571 to 25,161. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Jeff Fassero and Mariano Rivera careers compare
The careers of Jeff Fassero (1991–2006) and Mariano Rivera (1995–2013) overlapped from 1995 to 2006, so for those seasons they faced the same league conditions. Jeff Fassero's pitching card shows 121 wins, a 4.11 ERA and 1,643 strikeouts. Mariano Rivera's pitching card shows 82 wins, a 2.21 ERA and 1,173 strikeouts. One worked mainly as a starter and the other mainly in relief, so the page keeps their statistics in separate tables and compares them on Pitcher PIV. On the peak-season lists, Jeff Fassero's best year is 1993 at 2.29 ERA and Mariano Rivera's is 2005 at 1.38 ERA; Mariano Rivera has the stronger single season.
Jeff Fassero vs Mariano Rivera: Frequently Asked Questions
- Who has the higher career Pitcher PIV?
- Mariano Rivera, with 52,571 career Pitcher PIV to Jeff Fassero's 25,161.
- Who won more championships?
- Mariano Rivera, with 5 World Series titles to Jeff Fassero's 0.
- How do Jeff Fassero and Mariano Rivera compare?
- Jeff Fassero played 1991–2006 and Mariano Rivera played 1995–2013; this page sets their career totals side by side in every category both accumulated.