Kenley Jansen vs Kerry Wood: Career Stats Comparison
Kenley Jansen and Kerry Wood are close to even, splitting the 12 scored categories on this page 6–6 (4 further counting totals are shown but not scored). Kenley Jansen has played 2010–present as a pitcher; Kerry Wood played 1998–2012 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
Kenley Jansen (2010–present) and Kerry Wood (1998–2012) — breaking in during the 2010s and the 1990s respectively, so they pitched against very different hitting environments. Kenley Jansen has 58 wins and 1,329 strikeouts through October 12, 2026; Kerry Wood finished with 86 wins and 1,582 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Kenley Jansen, with 2.60 to Kerry Wood's 3.67.
- Who won more games? Kerry Wood, with 86 to Kenley Jansen's 58.
- Who recorded more strikeouts? Kerry Wood, with 1,582 to Kenley Jansen's 1,329.
- Who had the better WHIP? Kenley Jansen, with 0.97 to Kerry Wood's 1.27.
- Who pitched more innings? Kerry Wood, with 1,380.0 to Kenley Jansen's 972.1.
- Who threw more shutouts? Kerry Wood, with 5 to Kenley Jansen's 0.
- Who has the higher career Pitcher PIV? Kenley Jansen, with 34,863 career Pitcher PIV to Kerry Wood's 20,852.
Kenley Jansen
Kerry Wood
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 1990s were different run environments, so read them against their eras, or use the PIV card below, which is adjusted.
Kenley Jansen is still active — his totals below are current through October 12, 2026.
| Statistic | Kenley Jansen | Kerry Wood |
|---|---|---|
| Wins | 58 | Leads: 86 |
| Losses not scored | 46 | 75 |
| Games | Leads: 983 | 446 |
| Games Started | 0 | Leads: 178 |
| Complete Games | 0 | Leads: 11 |
| Shutouts | 0 | Leads: 5 |
| Saves | Leads: 498 | 63 |
| Strikeouts | 1,329 | Leads: 1,582 |
| Walks not scored | 305 | 666 |
| Hits Allowed not scored | 634 | 1,083 |
| Home Runs Allowed not scored | 95 | 148 |
| Innings Pitched | 972.1 | Leads: 1,380.0 |
| ERA | Leads: 2.60 | 3.67 |
| WHIP | Leads: 0.97 | 1.27 |
| K/9 | Leads: 12.30 | 10.32 |
| BB/9 | Leads: 2.82 | 4.34 |
PIV Comparison through 2025
By PIV (Player Impact Value), Kenley Jansen outpaces Kerry Wood 34,863 to 20,852 — driven by both sides of the ledger: 2,179 PIV per season to 1,390, across 16 seasons to 15. 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).
Kenley Jansen
No seasons meet the qualifying workload, so there is no peak-season list to show.
Kerry Wood — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Kenley Jansen leads in ERA, WHIP, and K/9, while Kerry Wood owns wins, strikeouts, and innings pitched. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Kenley Jansen. PIV agrees: Kenley Jansen grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.
Related Matchups
How the Kenley Jansen and Kerry Wood careers compare
From 2010 through 2012, Kenley Jansen and Kerry Wood were in the majors together. Playing time explains much of the gap in the counting rows: Kenley Jansen has appeared in 983 games to Kerry Wood's 446. The per-nine rows read 12.30 strikeouts and 2.82 walks for Kenley Jansen, 10.32 and 4.34 for Kerry Wood. Kenley Jansen worked mostly in relief (0 starts in 983 games, 498 saves), while Kerry Wood split time between starting and relief (178 starts in 446 games). In WHIP, Kenley Jansen's 0.97 beats Kerry Wood's 1.27. Kenley Jansen has no qualifying season for the peak list, while Kerry Wood's best is 2003. Because Kenley Jansen is still playing, the totals above will keep moving through the season.
Kenley Jansen vs Kerry Wood: Frequently Asked Questions
- Who had the better ERA?
- Kenley Jansen, with 2.60 to Kerry Wood's 3.67.
- Who won more games?
- Kerry Wood, with 86 to Kenley Jansen's 58.
- Who recorded more strikeouts?
- Kerry Wood, with 1,582 to Kenley Jansen's 1,329.
- Who had the better WHIP?
- Kenley Jansen, with 0.97 to Kerry Wood's 1.27.