CHICAGO (AP) The tumbling Minnesota Twins have sent struggling catcher John Ryan Murphy to Triple-A Rochester and designated relievers Ryan O'Rourke and J.R. Graham for release or assignment.
The moves were made Friday before their game at Chicago.
Right-hander Ervin Santana was reinstated from the disabled list, and the contracts of outfielder Darin Mastroianni and catcher Juan Centeno were selected from Rochester. Santana, who had a back strain, will start Saturday against the White Sox.
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Neither Mastroianni nor Centeno were on the 40-man roster, so O'Rourke and Graham were cut to make room. They could accept a minor-league assignment.
Murphy had only three hits in 40 at-bats.
Centeno has appeared in 24 major league games with the New York Mets and Milwaukee Brewers. Mastroianni played for the Twins for parts of three seasons.