The moves include shifting Taijuan Walker to a setup role, reinserting Mick Abel into the rotation and designating José Ruiz for assignment.

Walker moved back into the rotation when Aaron Nola hit the injured list on May 15, and he allowed four runs in four innings against the Brewers on Friday. His 3.62 ERA as a starter this year and the under-the-hood numbers are surprisingly solid,

The Philadelphia Phillies are restructuring their bullpen, removing Taijuan Walker from the rotation and recalling right-handed reliever Seth Johnson before their series finale against the Milwaukee Brewers.