Edwin Diaz vs Rollie Fingers: Career Stats Comparison

Rollie Fingers has the better career line of the two, leading 10 of the 12 scored categories on this page (4 further counting totals are shown but not scored). Edwin Diaz has played 2016–present as a pitcher; Rollie Fingers played 1968–1985 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

Edwin Diaz (2016–present) and Rollie Fingers (1968–1985) — breaking in during the 2010s and the 1960s respectively, so they pitched against very different hitting environments. Edwin Diaz has 30 wins and 867 strikeouts through October 6, 2026; Rollie Fingers finished with 114 wins and 1,299 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Quick answer

  • Who had the better ERA? Rollie Fingers, with 2.90 to Edwin Diaz's 3.03.
  • Who won more games? Rollie Fingers, with 114 to Edwin Diaz's 30.
  • Who recorded more strikeouts? Rollie Fingers, with 1,299 to Edwin Diaz's 867.
  • Who had the better WHIP? Edwin Diaz, with 1.07 to Rollie Fingers's 1.16.
  • Who pitched more innings? Rollie Fingers, with 1,701.1 to Edwin Diaz's 538.0.
  • Who threw more shutouts? Rollie Fingers, with 2 to Edwin Diaz's 0.
  • Who has the higher career Pitcher PIV? Rollie Fingers, with 33,082 career Pitcher PIV to Edwin Diaz's 21,805.
Leads Rollie Fingers 10 of 12 scored categories
Pitcher PIV edge Rollie Fingers +11,278
Read the verdict ↓

Edwin Diaz

Pitcher · 2016–present
Wins
30
Losses
38
Strikeouts
867
ERA
3.03
WHIP
1.07
IP
538.0
View Edwin Diaz's full profile →

Rollie Fingers

Pitcher · 1968–1985
Wins
114
Losses
118
Strikeouts
1,299
ERA
2.90
WHIP
1.16
IP
1,701.1
View Rollie Fingers's full profile →

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, and the 2010s and the 1960s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.

Edwin Diaz is still active — his totals below are current through October 6, 2026.

Edwin Diaz vs Rollie Fingers: Career Stats Comparison — Career Stats Side-by-Side
Statistic Edwin Diaz Rollie Fingers
Wins 30 Leads: 114
Losses not scored 38 118
Games 541 Leads: 944
Games Started 0 Leads: 37
Complete Games 0 Leads: 4
Shutouts 0 Leads: 2
Saves 260 Leads: 341
Strikeouts 867 Leads: 1,299
Walks not scored 193 492
Hits Allowed not scored 382 1,474
Home Runs Allowed not scored 57 123
Innings Pitched 538.0 Leads: 1,701.1
ERA 3.03 Leads: 2.90
WHIP Leads: 1.07 1.16
K/9 Leads: 14.50 6.87
BB/9 3.23 Leads: 2.60

PIV Comparison through 2025

By PIV (Player Impact Value), Rollie Fingers outpaces Edwin Diaz 33,082 to 21,805 — a longevity gap rather than a per-season one: Rollie Fingers played 17 seasons to Edwin Diaz's 9, while Edwin Diaz carries the higher per-season figure (2,423 to 1,946). 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.

Edwin Diaz
21,805
Career Pitcher PIV · 2,423 per season (9 seasons)
Rollie Fingers
33,082
Career Pitcher PIV · 1,946 per season (17 seasons)

How PIV is calculated →

Peak Seasons

The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).

Edwin Diaz

No seasons meet the qualifying workload, so there is no peak-season list to show.

Rollie Fingers — top 3 seasons by ERA (lower is better)

19731.92 ERA7-8, 110 K in 126 IP
19762.47 ERA13-11, 113 K in 134 IP
19752.98 ERA10-6, 115 K in 126 IP

Verdict

On the head-to-head card, Rollie Fingers leads in wins, strikeouts, ERA, and innings pitched, while Edwin Diaz owns WHIP and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Rollie Fingers. PIV agrees: Rollie Fingers grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.

Related Matchups

How the Edwin Diaz and Rollie Fingers careers compare

No season is shared: Rollie Fingers played 1968–1985, Edwin Diaz 2016–present. Playing time explains much of the gap in the counting rows: Edwin Diaz has appeared in 541 games to Rollie Fingers's 944. The green cells for Edwin Diaz are WHIP (1.07 to 1.16) and strikeouts per nine (14.50 to 6.87). The per-nine rows read 14.50 strikeouts and 3.23 walks for Edwin Diaz, 6.87 and 2.60 for Rollie Fingers. Edwin Diaz worked mostly in relief (0 starts in 541 games, 260 saves), and Rollie Fingers worked mostly in relief (37 starts in 944 games, 341 saves). In WHIP, Edwin Diaz's 1.07 beats Rollie Fingers's 1.16. Edwin Diaz's numbers are live and update with each game, so the comparison is a snapshot.

Edwin Diaz vs Rollie Fingers: Frequently Asked Questions

Who was better, Edwin Diaz or Rollie Fingers?
By the career statistics compared on this page, Rollie Fingers leads Edwin Diaz in 10 of the 12 scored categories.
Who had the better ERA?
Rollie Fingers, with 2.90 to Edwin Diaz's 3.03.
Who won more games?
Rollie Fingers, with 114 to Edwin Diaz's 30.
Who recorded more strikeouts?
Rollie Fingers, with 1,299 to Edwin Diaz's 867.
Who had the better WHIP?
Edwin Diaz, with 1.07 to Rollie Fingers's 1.16.