Lefty Grove vs. Ranger Suarez — Career Comparison

On the career pitching numbers, Lefty Grove posted a stronger line than Ranger Suarez. Lefty Grove posted stronger numbers in ERA (3.06 vs 3.38) and home runs allowed (0.37 per nine innings vs 0.83). By the career numbers, Lefty Grove 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.