Ethan Roberts vs. Eric Yardley — Career Comparison

On the career pitching numbers, Eric Yardley posted a stronger line than Ethan Roberts. Eric Yardley posted stronger numbers in ERA (3.52 vs 4.98) and WHIP (1.491 vs 1.592). By the career numbers, Eric Yardley 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.