Alejandro Chacin vs. Mike Johnston — Career Comparison

On the career pitching numbers, Mike Johnston posted a stronger line than Alejandro Chacin. Mike Johnston posted stronger numbers in ERA (5.7 vs 10.5) and WHIP (2.070 vs 2.500). By the career numbers, Mike Johnston 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.