Juan Marichal vs Bill Singer: Career Stats Comparison
Juan Marichal (1960–1975) and Bill Singer (1964–1977) — both came up during the 1960s, so the matchup is a direct one. Juan Marichal compiled 243 wins and 2,303 strikeouts; Bill Singer put up 118 wins and 1,515 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Juan Marichal
Bill Singer
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 | Juan Marichal | Bill Singer |
|---|---|---|
| Wins | 243 | 118 |
| Losses | 142 | 127 |
| Games | 471 | 322 |
| Games Started | 457 | 308 |
| Complete Games | 244 | 94 |
| Shutouts | 52 | 24 |
| Saves | 2 | 2 |
| Strikeouts | 2,303 | 1,515 |
| Walks | 709 | 781 |
| Hits Allowed | 3,153 | 1,952 |
| Home Runs Allowed | 320 | 132 |
| Innings Pitched | 3,507 | 2,174 |
| ERA | 2.89 | 3.39 |
| WHIP | 1.10 | 1.26 |
| K/9 | 5.91 | 6.27 |
| BB/9 | 1.82 | 3.23 |
PIV Comparison
By PIV (Player Impact Value), Juan Marichal outpaces Bill Singer 48,870 to 24,349 — a gap driven primarily by per-season impact (3,054 vs 1,623 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).
Juan Marichal — top 3 seasons by ERA (lower is better)
Bill Singer — top 3 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Juan Marichal leads in wins, strikeouts, ERA, and WHIP, while Bill Singer owns K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Juan Marichal. PIV agrees: Juan Marichal grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.