Otto Hess vs. Robert Ray — Career Comparison

On the career pitching numbers, Otto Hess posted a stronger line than Robert Ray. Otto Hess posted stronger numbers in ERA (2.98 vs 4.18) and WHIP (1.272 vs 1.357). By the career numbers, Otto Hess 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.