Frank Bates vs. Hector Perez — Career Comparison

On the career pitching numbers, Frank Bates posted a stronger line than Hector Perez. Frank Bates posted stronger numbers in ERA (6.33 vs 13.5) and WHIP (2.082 vs 5.000). By the career numbers, Frank Bates 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.