R. J. Alvarez vs. Bobby Tiefenauer — Career Comparison

On the career pitching numbers, Bobby Tiefenauer posted a stronger line than R. J. Alvarez. Bobby Tiefenauer posted stronger numbers in ERA (3.84 vs 7.71) and WHIP (1.310 vs 1.879). By the career numbers, Bobby Tiefenauer 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.