Michael Driscoll vs. Luke Gregerson — Career Comparison

Looking at the career totals, Michael Driscoll and Luke Gregerson are fairly close on the surface numbers. Luke Gregerson posted stronger numbers in ERA (3.15 vs 5.4) and WHIP (1.150 vs 1.600). Michael Driscoll had the advantage in home runs allowed (0 per nine innings vs 0.79). By the career numbers, Luke Gregerson 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.