Alek Jacob vs. Bobby Mathews — Career Comparison

On the career pitching numbers, Bobby Mathews posted a stronger line than Alek Jacob. Bobby Mathews posted stronger numbers in ERA (2.86 vs 4.06) and home runs allowed (0.13 per nine innings vs 1.24). By the career numbers, Bobby Mathews 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.