St. Louis Cardinals outfielder Tyler O'Neill (wrist) is starting his rehab assignment with Triple-A Memphis on Wednesday night. O'Neill has been out since Aug. 3, but he could return as soon as this weekend from the injured list. He's hitting .279/.316/.434 with five home runs, 14 runs and 16 RBI in 46 games at the major league level. Even in a crowded outfield in St. Louis, O'Neill should at least have a platoon role down the stretch, making him worth consideration in deep mixed and NL-only ...