Hernandez has been removed from the Astros' rotation and will pitch out of the bullpen moving forward, MLB.com's Brian McTaggart reports. Hernandez has had trouble keeping runners off the bases and runs off the scoreboard over his last few starts, so the Astros decided it was time for a role change, and he will not take the ball as scheduled Wednesday. Hernandez, who figures to serve as the Astros' primary long reliever moving forward, will be replaced in the rotation by prospect Vincent Velasquez.