Boston Red Sox outfielder Kyle Schwarber (hamstring, groin) could start a rehab assignment with Triple-A Worcester on Thursday, manager Alex Cora told the press on Wednesday. Schwarber was originally sidelined in early July with a right hamstring strain then experienced a setback due to tightness in his left groin. The 28-year-old is slashing .253/.340/.570 with 25 home runs and 53 RBI over 72 games, so Boston no doubt wants his bat back in the lineup. Fantasy managers should continue stashing ...