Jeff Niemann vs. Frank Shellenback — Career Comparison

Looking at the career totals, Jeff Niemann and Frank Shellenback are fairly close on the surface numbers. Frank Shellenback posted stronger numbers in ERA (3.06 vs 4.08) and home runs allowed (0.08 per nine innings vs 1.07). Jeff Niemann had the advantage in WHIP (1.301 vs 1.424). By the career numbers, Frank Shellenback 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.