John Boozer vs. Ethan Roberts — Career Comparison

On the career pitching numbers, John Boozer posted a stronger line than Ethan Roberts. John Boozer posted stronger numbers in ERA (4.09 vs 4.98) and WHIP (1.456 vs 1.592). By the career numbers, John Boozer 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.