Shinnosuke Ogasawara vs. John Perkovich — Career Comparison

On the career pitching numbers, Shinnosuke Ogasawara posted a stronger line than John Perkovich. Shinnosuke Ogasawara posted stronger numbers in ERA (6.98 vs 7.2) and home runs allowed (2.09 per nine innings vs 5.4). By the career numbers, Shinnosuke Ogasawara 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.