Les Backman vs. Troy Mattes — Career Comparison

On the career pitching numbers, Les Backman posted a stronger line than Troy Mattes. Les Backman posted stronger numbers in ERA (3.61 vs 6) and WHIP (1.453 vs 1.644). By the career numbers, Les Backman 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.