John Clarkson vs. Mike Rowland — Career Comparison

Looking at the career totals, John Clarkson and Mike Rowland are fairly close on the surface numbers. John Clarkson had the edge in home runs allowed (0.32 per nine innings vs 0.63). 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.