Jose Alvarado vs. Robinson Leyer — Career Comparison

On the career pitching numbers, Jose Alvarado posted a stronger line than Robinson Leyer. Jose Alvarado posted stronger numbers in ERA (3.47 vs 21.21) and WHIP (1.368 vs 4.286). By the career numbers, Jose Alvarado 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.