David Hess vs. Bob Vail — Career Comparison

On the career pitching numbers, Bob Vail posted a stronger line than David Hess. Bob Vail posted stronger numbers in ERA (6 vs 6.25) and WHIP (1.467 vs 1.545). By the career numbers, Bob Vail 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.