Carlos Castillo vs. Tyler Robertson — Career Comparison

On the career pitching numbers, Carlos Castillo posted a stronger line than Tyler Robertson. Carlos Castillo posted stronger numbers in ERA (5.04 vs 5.54) and WHIP (1.410 vs 1.500). By the career numbers, Carlos Castillo 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.