Bronx, NY (SportsNetwork.com) - The Oakland Athletics reinstated pitcher Ryan Cook from the 15-day disabled list and placed outfielder Josh Reddick on the 15-day disabled list.

Cook has been on the DL since early May with a muscle strain in his right forearm. The 26-year-old right-hander was 0-1 with a 2.92 earned run average over 12 relief appearances prior to the injury.

Reddick suffered a hyperextension of his right knee against the Angels this past weekend. He is hitting .214 with four homers and 22 RBI in 50 games this season.