Santiago Guzman vs. Bob Weiland — Career Comparison

On the career pitching numbers, Bob Weiland posted a stronger line than Santiago Guzman. Bob Weiland posted stronger numbers in ERA (4.24 vs 4.5) and home runs allowed (0.55 per nine innings vs 1.13). By the career numbers, Bob Weiland 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.