Harry Juul vs. Mike Warren — Career Comparison

Looking at the career totals, Harry Juul and Mike Warren are fairly close on the surface numbers. Mike Warren posted stronger numbers in ERA (5.06 vs 6.21) and WHIP (1.510 vs 1.966). Harry Juul had the advantage in home runs allowed (0 per nine innings vs 1.23). By the career numbers, Mike Warren 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.