Jack Leiper vs. Steven Register — Career Comparison

On the career pitching numbers, Jack Leiper posted a stronger line than Steven Register. Jack Leiper posted stronger numbers in ERA (5.4 vs 8.25) and WHIP (1.778 vs 2.000). By the career numbers, Jack Leiper 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.