William Brennan vs. Beiker Graterol — Career Comparison

On the career pitching numbers, William Brennan posted a stronger line than Beiker Graterol. William Brennan posted stronger numbers in ERA (5.18 vs 15.75) and WHIP (1.849 vs 2.250). By the career numbers, William Brennan 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.