Yuki Matsui vs. Amos Willingham — Career Comparison

On the career pitching numbers, Yuki Matsui posted a stronger line than Amos Willingham. Yuki Matsui posted stronger numbers in ERA (3.86 vs 7.11) and WHIP (1.310 vs 1.895). By the career numbers, Yuki Matsui 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.