Improving Pirates extend deal of manager Derek Shelton

The Pittsburgh Pirates extended the contract of manager Derek Shelton, general manager Ben Cherington told reporters on Saturday afternoon.

Cherington declined to reveal terms of the extension.

"I am very excited to have a chance to continue to work with him," Cherington said. "I really believe that he's the right person for the job. He's worked tirelessly for over three years now to help put us in a stronger position t