Edwin Diaz vs Lee Smith: Career Stats Comparison

Edwin Diaz (2016–present) and Lee Smith (1980–1997) — breaking in during the 2010s and the 1980s respectively, so they pitched against very different hitting environments. Edwin Diaz compiled 28 wins and 839 strikeouts; Lee Smith put up 71 wins and 1,251 strikeouts. The numbers below run them through identical career and rate-stat lenses.

Edwin Diaz

Pitcher · 2016–present
Wins
28
Losses
36
Strikeouts
839
ERA
2.82
WHIP
1.04
IP
519
View Edwin Diaz's full profile →

Lee Smith

Pitcher · 1980–1997
Wins
71
Losses
92
Strikeouts
1,251
ERA
3.03
WHIP
1.26
IP
1,289
View Lee Smith'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. For pitchers, lower ERA, WHIP, and BB/9 lead; higher K/9 leads.

Statistic Edwin Diaz Lee Smith
Wins 28 71
Losses 36 92
Games 520 1,022
Games Started 0 6
Complete Games 0 0
Shutouts 0 0
Saves 253 478
Strikeouts 839 1,251
Walks 182 486
Hits Allowed 356 1,133
Home Runs Allowed 54 89
Innings Pitched 519 1,289
ERA 2.82 3.03
WHIP 1.04 1.26
K/9 14.54 8.73
BB/9 3.15 3.39

PIV Comparison

By PIV (Player Impact Value), Lee Smith outpaces Edwin Diaz 33,335 to 21,805 — a gap driven primarily by per-season impact (1,587 vs 2,423 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.

Edwin Diaz
21,805
Career Pitcher PIV · 2,423 per season (9 seasons)
Lee Smith
33,335
Career Pitcher PIV · 1,587 per season (21 seasons)

How PIV is calculated →

Peak Seasons

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

Edwin Diaz — top 0 seasons by ERA (lower is better)

Lee Smith — top 0 seasons by ERA (lower is better)

Verdict

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

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