The Arizona Diamondbacks traded outfielder Conor Jackson to the Oakland Athletics for minor league closer Sam Demel on Tuesday, the first of what could be a series of moves by the sputtering team. Demel, a 24-year-old righty, was third-round draft pick out of TCU in 2007. He 2-0 with a 1.26 ERA and six saves in 28 appearances for Triple-A Sacramento this season. More...