Jason Couch sure isn't bowling like a guy headed into retirement. Couch, who is retiring from the PBA Tour to work full time for Ebonite, including as ball rep on the PBA Tour, was one of the top performers at the PBA Summer Shootout that finishes airing on ESPN on Sunday. And the powerful lefty is wrecking pins at this weekend's Proprietors Cup events in Dayton, Ohio. On Friday night, he was part of the Ebonite All-Stars quintet that won the Ace Mitchell Team Challenge. And on Saturday,...