David Buchanan vs. Troy Mattes — Career Comparison

On the career pitching numbers, David Buchanan posted a stronger line than Troy Mattes. David Buchanan posted stronger numbers in ERA (4.97 vs 6) and WHIP (1.518 vs 1.644). By the career numbers, David Buchanan 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.