John Clarkson vs. John McGillen — Career Comparison

Looking at the career totals, John Clarkson and John McGillen are fairly close on the surface numbers. John Clarkson posted stronger numbers in ERA (2.81 vs 18) and WHIP (1.209 vs 3.000). John McGillen had the advantage in home runs allowed (0 per nine innings vs 0.32). By the career numbers, John Clarkson 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.