Jack Leiter vs. Johnnie Vivens — Career Comparison

Looking at the career totals, Jack Leiter and Johnnie Vivens are fairly close on the surface numbers. Johnnie Vivens had the edge in ERA (3.68 vs 4.8). By the career numbers, Johnnie Vivens 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.