John Lannan vs. Tom Rogers — Career Comparison

On the career pitching numbers, Tom Rogers posted a stronger line than John Lannan. Tom Rogers posted stronger numbers in ERA (3.95 vs 4.18) and home runs allowed (0.33 per nine innings vs 0.9). By the career numbers, Tom Rogers 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.