Matt Foster vs. Bill Pleis — Career Comparison

Looking at the career totals, Matt Foster and Bill Pleis are fairly close on the surface numbers. Bill Pleis posted stronger numbers in ERA (4.07 vs 4.3) and home runs allowed (0.99 per nine innings vs 1.36). Matt Foster had the advantage in WHIP (1.274 vs 1.468). By the career numbers, Bill Pleis had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.