Mark Melancon vs Devin Williams: Career Stats Comparison
Mark Melancon 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). Mark Melancon played 2009–2022 as a pitcher; Devin Williams has played 2019–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
Mark Melancon (2009–2022) and Devin Williams (2019–present) — breaking in during the 2000s and the 2010s respectively, so they pitched against very different hitting environments. Mark Melancon finished with 37 wins and 643 strikeouts; Devin Williams has 34 wins and 517 strikeouts through October 12, 2026. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Devin Williams, with 2.69 to Mark Melancon's 2.94.
- Who won more games? Mark Melancon, with 37 to Devin Williams's 34.
- Who recorded more strikeouts? Mark Melancon, with 643 to Devin Williams's 517.
- Who had the better WHIP? Devin Williams, with 1.11 to Mark Melancon's 1.17.
- Who pitched more innings? Mark Melancon, with 726.2 to Devin Williams's 338.1.
- Who threw more shutouts? Neither — both are at 0.
- Who has the higher career Pitcher PIV? Mark Melancon, with 19,354 career Pitcher PIV to Devin Williams's 13,215.
Mark Melancon
Devin Williams
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 2000s and the 2010s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.
Devin Williams is still active — his totals below are current through October 12, 2026.
| Statistic | Mark Melancon | Devin Williams |
|---|---|---|
| Wins | Leads: 37 | 34 |
| Losses not scored | 40 | 18 |
| Games | Leads: 732 | 352 |
| Games Started | 0 | 0 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | Leads: 262 | 102 |
| Strikeouts | Leads: 643 | 517 |
| Walks not scored | 192 | 158 |
| Hits Allowed not scored | 657 | 217 |
| Home Runs Allowed not scored | 44 | 23 |
| Innings Pitched | Leads: 726.2 | 338.1 |
| ERA | 2.94 | Leads: 2.69 |
| WHIP | 1.17 | Leads: 1.11 |
| K/9 | 7.96 | Leads: 13.75 |
| BB/9 | Leads: 2.38 | 4.20 |
PIV Comparison through 2025
By PIV (Player Impact Value), Mark Melancon outpaces Devin Williams 19,354 to 13,215 — a longevity gap rather than a per-season one: Mark Melancon played 17 seasons to Devin Williams's 7, while Devin Williams carries the higher per-season figure (1,888 to 1,138). 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).
Mark Melancon
No seasons meet the qualifying workload, so there is no peak-season list to show.
Devin Williams
No seasons meet the qualifying workload, so there is no peak-season list to show.
Verdict
On the head-to-head card, Mark Melancon leads in wins, strikeouts, and innings pitched, while Devin Williams owns ERA, WHIP, and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Mark Melancon. PIV agrees: Mark Melancon grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Mark Melancon and Devin Williams careers compare
The careers of Mark Melancon (2009–2022) and Devin Williams (2019–present) overlapped from 2019 to 2022, so for those seasons they faced the same league conditions. Mark Melancon has the far longer record, 732 games against 352 across 17 and 7 PIV seasons, which inflates every career total. Where Devin Williams comes out ahead, it is in ERA (2.69 to 2.94), WHIP (1.11 to 1.17), and strikeouts per nine (13.75 to 7.96). By rate, Mark Melancon struck out 7.96 and walked 2.38 per nine innings; Devin Williams struck out 13.75 and walked 4.20. Devin Williams's numbers are live and update with each game, so the comparison is a snapshot.
Mark Melancon vs Devin Williams: Frequently Asked Questions
- Who was better, Mark Melancon or Devin Williams?
- By the career statistics compared on this page, Mark Melancon leads Devin Williams in 6 of the 12 scored categories.
- Who had the better ERA?
- Devin Williams, with 2.69 to Mark Melancon's 2.94.
- Who won more games?
- Mark Melancon, with 37 to Devin Williams's 34.
- Who recorded more strikeouts?
- Mark Melancon, with 643 to Devin Williams's 517.
- Who had the better WHIP?
- Devin Williams, with 1.11 to Mark Melancon's 1.17.