Rolando Arrojo vs. Unknown Latimer — Career Comparison

On the career pitching numbers, Unknown Latimer posted a stronger line than Rolando Arrojo. Unknown Latimer posted stronger numbers in ERA (4.06 vs 4.55) and home runs allowed (0.31 per nine innings vs 1.07). By the career numbers, Unknown Latimer 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.