Tommy John vs Bill Singer: Career Stats Comparison
Tommy John (1963–1989) and Bill Singer (1964–1977) — both came up during the 1960s, so the matchup is a direct one. Tommy John compiled 288 wins and 2,245 strikeouts; Bill Singer put up 118 wins and 1,515 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Tommy John
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 | Tommy John | Bill Singer |
|---|---|---|
| Wins | 288 | 118 |
| Losses | 231 | 127 |
| Games | 760 | 322 |
| Games Started | 700 | 308 |
| Complete Games | 162 | 94 |
| Shutouts | 46 | 24 |
| Saves | 4 | 2 |
| Strikeouts | 2,245 | 1,515 |
| Walks | 1,259 | 781 |
| Hits Allowed | 4,783 | 1,952 |
| Home Runs Allowed | 302 | 132 |
| Innings Pitched | 4,710 | 2,174 |
| ERA | 3.34 | 3.39 |
| WHIP | 1.28 | 1.26 |
| K/9 | 4.29 | 6.27 |
| BB/9 | 2.41 | 3.23 |
PIV Comparison
By PIV (Player Impact Value), Tommy John outpaces Bill Singer 39,802 to 24,349 — a gap driven primarily by per-season impact (1,422 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).
Tommy John — 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, Tommy John leads in wins, strikeouts, ERA, and innings pitched, while Bill Singer owns WHIP and K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Tommy John. PIV agrees: Tommy John grades out higher across their careers. Click through to each profile for the full season-by-season breakdown.