Fred Mitchell vs. Bob Vail — Career Comparison

Looking at the career totals, Fred Mitchell and Bob Vail are fairly close on the surface numbers. Bob Vail posted stronger numbers in WHIP (1.467 vs 1.544) and home runs allowed (0 per nine innings vs 0.2). Fred Mitchell had the advantage in ERA (4.1 vs 6). 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.