Bob Blewett vs. Zach Putnam — Career Comparison

Looking at the career totals, Bob Blewett and Zach Putnam are fairly close on the surface numbers. Zach Putnam posted stronger numbers in ERA (3.2 vs 4.82) and WHIP (1.276 vs 1.643). Bob Blewett had the advantage in home runs allowed (0 per nine innings vs 0.77). By the career numbers, Zach Putnam 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.