John Foster vs. Nash Walters — Career Comparison

Looking at the career totals, John Foster and Nash Walters are fairly close on the surface numbers. Nash Walters posted stronger numbers in ERA (0 vs 4.9) and home runs allowed (0 per nine innings vs 1.63). John Foster had the advantage in WHIP (1.615 vs 6.000). By the career numbers, Nash Walters 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.