Bob Heffner vs. Jack Leiter — Career Comparison

Looking at the career totals, Bob Heffner and Jack Leiter are fairly close on the surface numbers. Bob Heffner had the edge in ERA (4.51 vs 4.8). By the career numbers, Bob Heffner 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.