Jerry Koosman vs Steve Rogers: Career Stats Comparison
Jerry Koosman has the better career line of the two, leading 8 of the 12 statistical categories compared on this page. Jerry Koosman played 1967–1985 as a pitcher; Steve Rogers played 1973–1985 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
Jerry Koosman (1967–1985) and Steve Rogers (1973–1985) — breaking in during the 1960s and the 1970s respectively, so they pitched against very different hitting environments. Jerry Koosman compiled 222 wins and 2,556 strikeouts; Steve Rogers put up 158 wins and 1,621 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Quick answer
- Who had the better ERA? Steve Rogers, with 3.17 to Jerry Koosman's 3.36.
- Who won more games? Jerry Koosman, with 222 to Steve Rogers's 158.
- Who recorded more strikeouts? Jerry Koosman, with 2,556 to Steve Rogers's 1,621.
- Who had the better WHIP? Steve Rogers, with 1.23 to Jerry Koosman's 1.26.
- Who pitched more innings? Jerry Koosman, with 3,839 to Steve Rogers's 2,837.
- Who threw more shutouts? Steve Rogers, with 37 to Jerry Koosman's 33.
- Who has the higher career Pitcher PIV? Steve Rogers, with 44,265 career Pitcher PIV to Jerry Koosman's 42,939.
Jerry Koosman
Steve Rogers
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. 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: compare them with the era in mind, or use the PIV card below, which is.
| Statistic | Jerry Koosman | Steve Rogers |
|---|---|---|
| Wins | Leads: 222 | 158 |
| Losses | 209 | 152 |
| Games | Leads: 612 | 399 |
| Games Started | Leads: 527 | 393 |
| Complete Games | Leads: 140 | 129 |
| Shutouts | 33 | Leads: 37 |
| Saves | Leads: 17 | 2 |
| Strikeouts | Leads: 2,556 | 1,621 |
| Walks | 1,198 | 876 |
| Hits Allowed | 3,635 | 2,619 |
| Home Runs Allowed | 290 | 151 |
| Innings Pitched | Leads: 3,839 | 2,837 |
| ERA | 3.36 | Leads: 3.17 |
| WHIP | 1.26 | Leads: 1.23 |
| K/9 | Leads: 5.99 | 5.14 |
| BB/9 | 2.81 | Leads: 2.78 |
PIV Comparison
By PIV (Player Impact Value), Steve Rogers edges Jerry Koosman 44,265 to 42,939 — a gap driven primarily by per-season impact (3,405 vs 2,147 per year). PIV adjusts each season to league baselines, so it's the cleanest way to compare careers across eras.
Peak Seasons
The best single seasons each player produced, ranked by ERA among qualified workloads (120+ innings).
Jerry Koosman — top 3 seasons by ERA (lower is better)
Steve Rogers — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Jerry Koosman leads in wins, strikeouts, K/9, and innings pitched, while Steve Rogers owns ERA and WHIP. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Jerry Koosman. Note that PIV actually grades Steve Rogers ahead, which means Jerry Koosman's edge is partly volume. Click through to each profile for the full season-by-season breakdown.
Related Matchups
Jerry Koosman vs Steve Rogers: Frequently Asked Questions
- Who was better, Jerry Koosman or Steve Rogers?
- By the career statistics compared on this page, Jerry Koosman leads Steve Rogers in 8 of 12 categories.
- Who had the better ERA?
- Steve Rogers, with 3.17 to Jerry Koosman's 3.36.
- Who won more games?
- Jerry Koosman, with 222 to Steve Rogers's 158.
- Who recorded more strikeouts?
- Jerry Koosman, with 2,556 to Steve Rogers's 1,621.
- Who had the better WHIP?
- Steve Rogers, with 1.23 to Jerry Koosman's 1.26.