R. J. Alvarez vs. Johnny Kucab — Career Comparison

On the career pitching numbers, Johnny Kucab posted a stronger line than R. J. Alvarez. Johnny Kucab posted stronger numbers in ERA (4.44 vs 7.71) and WHIP (1.447 vs 1.879). By the career numbers, Johnny Kucab 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.