Alejandro Chacin vs. Leo Estrella — Career Comparison

On the career pitching numbers, Leo Estrella posted a stronger line than Alejandro Chacin. Leo Estrella posted stronger numbers in ERA (4.88 vs 10.5) and WHIP (1.653 vs 2.500). By the career numbers, Leo Estrella 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.