Tyler Alexander vs. Adam Peterson — Career Comparison

On the career pitching numbers, Tyler Alexander posted a stronger line than Adam Peterson. Tyler Alexander posted stronger numbers in ERA (4.63 vs 5.46) and WHIP (1.312 vs 1.516). By the career numbers, Tyler Alexander 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.