The move is retroactive to May 28th, and will correspond with James Paxton being called up to the majors. (Ryan Divish on Twitter)
Fantasy Impact
Hernandez has not seemed himself this year, struggling with control, and his most recent outing saw him strike out the first five batters of the game looking, before surrendering a slew of hits on poor pitches en route to a loss. Perhaps this break will help Hernandez round back into form.