Leo Rosales vs. John Verhoeven — Career Comparison

On the career pitching numbers, John Verhoeven posted a stronger line than Leo Rosales. John Verhoeven posted stronger numbers in ERA (3.79 vs 5.01) and WHIP (1.446 vs 1.505). By the career numbers, John Verhoeven 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.