Braves sign veteran reliever Powell Also, John Schuerholz is writing a book about his experiences and his philosophies about building a winning team. It probably will be a good read. Scheurholz to author book The Yankees signed former Braves minor league catcher Joe Depastino to a minor league contract. (You'll have to scroll down the page a little to find the information.)The Braves signed veteran reliever Jay Powell. He's coming off Tommy John surgery, but maybe he can help the team in the 2nd half.