The A’s are making some final Opening Day roster determinations Sunday in camp and announced to reporters that right-hander Ryan Cook and utility outfielder Craig Gentry are going to need season-opening stints on the 15-day disabled list.
Cook was slowed this spring by shoulder inflammation but should be ready to join the A’s bullpen when first eligible on April 4. He is expected to serve as one of the primary setup men this summer for new Oakland closer Jim Johnson.
Gentry is still recovering from a lower back strain that he suffered in late February. He was acquired from the Rangers this winter via trade and is currently eyeing a mid-April debut.