Jose Diaz vs. Jeff Musselman — Career Comparison

On the career pitching numbers, Jeff Musselman posted a stronger line than Jose Diaz. Jeff Musselman posted stronger numbers in ERA (4.31 vs 9.39) and WHIP (1.572 vs 2.609). By the career numbers, Jeff Musselman 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.