Bob Blewett vs. John Urrea — Career Comparison

Looking at the career totals, Bob Blewett and John Urrea are fairly close on the surface numbers. John Urrea posted stronger numbers in ERA (3.74 vs 4.82) and WHIP (1.439 vs 1.643). Bob Blewett had the advantage in home runs allowed (0 per nine innings vs 0.5). By the career numbers, John Urrea 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.