Jim Brenneman vs. Robert Gsellman — Career Comparison

On the career pitching numbers, Robert Gsellman posted a stronger line than Jim Brenneman. Robert Gsellman posted stronger numbers in ERA (4.6 vs 18) and WHIP (1.434 vs 4.000). By the career numbers, Robert Gsellman 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.