Answer
Felix Hernandez had the better year relative to his peers.
Work Step by Step
$z=\frac{x-μ}{σ}$
Josh Johnson:
$z=\frac{2.30-3.622}{0.743}=-1.78$
Felix Hernandez:
$z=\frac{2.27-3.929}{0.775}=-2.14$
Felix Hernandez had the better year relative to his peers. His z-score is more negative than Josh Johnson's z-score.