Rick Anderson vs. Matt Riley — Career Comparison

Looking at the career totals, Rick Anderson and Matt Riley are fairly close on the surface numbers. Rick Anderson posted stronger numbers in ERA (3.75 vs 5.99) and home runs allowed (0.75 per nine innings vs 1.66). Matt Riley had the advantage in WHIP (1.761 vs 2.083). By the career numbers, Rick Anderson 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.