Matt Manning vs. Alfredo Simon — Career Comparison

On the career pitching numbers, Matt Manning posted a stronger line than Alfredo Simon. Matt Manning posted stronger numbers in ERA (4.43 vs 4.56) and WHIP (1.287 vs 1.419). By the career numbers, Matt Manning 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.