Emmanuel Clase vs Edwin Diaz: Career Stats Comparison
Edwin Diaz has the better career line of the two, leading 6 of the 12 scored categories on this page (4 further counting totals are shown but not scored). Emmanuel Clase played 2019–2025 as a pitcher; Edwin Diaz has played 2016–present 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
Emmanuel Clase (2019–2025) and Edwin Diaz (2016–present) — both came up during the 2010s, so the matchup is a direct one. Emmanuel Clase finished with 21 wins and 349 strikeouts; Edwin Diaz has 30 wins and 867 strikeouts through October 12, 2026. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Emmanuel Clase, with 1.88 to Edwin Diaz's 3.03.
- Who won more games? Edwin Diaz, with 30 to Emmanuel Clase's 21.
- Who recorded more strikeouts? Edwin Diaz, with 867 to Emmanuel Clase's 349.
- Who had the better WHIP? Emmanuel Clase, with 0.94 to Edwin Diaz's 1.07.
- Who pitched more innings? Edwin Diaz, with 538.0 to Emmanuel Clase's 360.0.
- Who threw more shutouts? Neither — both are at 0.
- Who has the higher career Pitcher PIV? Edwin Diaz, with 21,805 career Pitcher PIV to Emmanuel Clase's 15,946.
Emmanuel Clase
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. 12 of the 16 lines below are scored; the other 4 are counting totals on which fewer is not an achievement, so no one is awarded them. 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, so read them against the run environment each player worked in, or use the PIV card below, which is adjusted.
Edwin Diaz is still active — his totals below are current through October 12, 2026.
| Statistic | Emmanuel Clase | Edwin Diaz |
|---|---|---|
| Wins | 21 | Leads: 30 |
| Losses not scored | 26 | 38 |
| Games | 366 | Leads: 541 |
| Games Started | Leads: 1 | 0 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | 182 | Leads: 260 |
| Strikeouts | 349 | Leads: 867 |
| Walks not scored | 70 | 193 |
| Hits Allowed not scored | 267 | 382 |
| Home Runs Allowed not scored | 15 | 57 |
| Innings Pitched | 360.0 | Leads: 538.0 |
| ERA | Leads: 1.88 | 3.03 |
| WHIP | Leads: 0.94 | 1.07 |
| K/9 | 8.72 | Leads: 14.50 |
| BB/9 | Leads: 1.75 | 3.23 |
PIV Comparison through 2025
By PIV (Player Impact Value), Edwin Diaz outpaces Emmanuel Clase 21,805 to 15,946 — a longevity gap rather than a per-season one: Edwin Diaz played 9 seasons to Emmanuel Clase's 6, while Emmanuel Clase carries the higher per-season figure (2,658 to 2,423). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
PIV is computed through the 2025 season. The career totals on this page include 2026 to date, so PIV does not yet reflect the 2026 season.
Peak Seasons
The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).
Emmanuel Clase
No seasons meet the qualifying workload, so there is no peak-season list to show.
Edwin Diaz
No seasons meet the qualifying workload, so there is no peak-season list to show.
Verdict
On the head-to-head card, Edwin Diaz leads in wins, strikeouts, K/9, and innings pitched, while Emmanuel Clase owns ERA and WHIP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Edwin Diaz. PIV agrees: Edwin Diaz grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Emmanuel Clase and Edwin Diaz careers compare
From 2019 through 2025, Emmanuel Clase and Edwin Diaz were in the majors together. With 366 games against 541 across 6 and 9 PIV seasons, neither player's totals owe much to extra seasons. The green cells for Emmanuel Clase are starts (1 to 0), ERA (1.88 to 3.03), and WHIP (0.94 to 1.07). By rate, Emmanuel Clase struck out 8.72 and walked 1.75 per nine innings; Edwin Diaz struck out 14.50 and walked 3.23. Both had the same role: Emmanuel Clase worked mostly in relief (1 starts in 366 games, 182 saves); Edwin Diaz worked mostly in relief (0 starts in 541 games, 260 saves). In WHIP, Emmanuel Clase's 0.94 beats Edwin Diaz's 1.07. Edwin Diaz's numbers are live and update with each game, so the comparison is a snapshot.
Emmanuel Clase vs Edwin Diaz: Frequently Asked Questions
- Who was better, Emmanuel Clase or Edwin Diaz?
- By the career statistics compared on this page, Edwin Diaz leads Emmanuel Clase in 6 of the 12 scored categories.
- Who had the better ERA?
- Emmanuel Clase, with 1.88 to Edwin Diaz's 3.03.
- Who won more games?
- Edwin Diaz, with 30 to Emmanuel Clase's 21.
- Who recorded more strikeouts?
- Edwin Diaz, with 867 to Emmanuel Clase's 349.
- Who had the better WHIP?
- Emmanuel Clase, with 0.94 to Edwin Diaz's 1.07.