B. J. Ryan vs Scot Shields: Career Stats Comparison
B. J. Ryan (1999–2009) and Scot Shields (2001–2010) — breaking in during the 1990s and the 2000s respectively, so they pitched against very different hitting environments. B. J. Ryan compiled 21 wins and 625 strikeouts; Scot Shields put up 46 wins and 631 strikeouts. The numbers below run them through identical career and rate-stat lenses.
Scot Shields
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 | B. J. Ryan | Scot Shields |
|---|---|---|
| Wins | 21 | 46 |
| Losses | 28 | 44 |
| Games | 560 | 491 |
| Games Started | 0 | 15 |
| Complete Games | 0 | 0 |
| Shutouts | 0 | 0 |
| Saves | 117 | 21 |
| Strikeouts | 625 | 631 |
| Walks | 264 | 278 |
| Hits Allowed | 424 | 589 |
| Home Runs Allowed | 42 | 55 |
| Innings Pitched | 536 | 697 |
| ERA | 3.37 | 3.18 |
| WHIP | 1.28 | 1.24 |
| K/9 | 10.48 | 8.15 |
| BB/9 | 4.43 | 3.59 |
PIV Comparison
By PIV (Player Impact Value), B. J. Ryan edges Scot Shields 15,346 to 14,266 — a gap driven primarily by per-season impact (1,279 vs 1,427 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).
B. J. Ryan — top 0 seasons by ERA (lower is better)
Scot Shields — top 1 seasons by ERA (lower is better)
Verdict
On the head-to-head card, Scot Shields leads in wins, strikeouts, ERA, and WHIP, while B. J. Ryan owns K/9. That doesn't settle the era debate, but on the raw scoreboard the edge goes to Scot Shields. Note that PIV actually grades B. J. Ryan ahead, which means Scot Shields's edge is partly volume. Click through to each profile for the full season-by-season breakdown.