Les McCrabb vs. Sean O'Sullivan — Career Comparison

Looking at the career totals, Les McCrabb and Sean O'Sullivan are fairly close on the surface numbers. Les McCrabb had the edge in home runs allowed (1.03 per nine innings vs 1.64). By the career numbers, Les McCrabb 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.