R. J. Alvarez vs. Billy Sadler — Career Comparison

On the career pitching numbers, Billy Sadler posted a stronger line than R. J. Alvarez. Billy Sadler posted stronger numbers in ERA (4.53 vs 7.71) and WHIP (1.510 vs 1.879). By the career numbers, Billy Sadler 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.