Charlie Buffinton vs. Isaac Mattson — Career Comparison

Looking at the career totals, Charlie Buffinton and Isaac Mattson are fairly close on the surface numbers. Charlie Buffinton had the edge in home runs allowed (0.23 per nine innings vs 0.63). By the career numbers, Charlie Buffinton 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.