BOSTON — Fighting back tears, Red Sox manager John Farrell said Friday that he had a "highly curable" form of cancer and has taken a medical leave for the rest of the season to deal with lymphoma.Farrell, 53, said bench coach Torey Lovullo will run the team in his absence. Farrell said he planned on being back for spring training.Farrell said cancer of the lymphatic system was discovered when he had hernia surgery this week in Detroit: "I can honestly tell you I'm extremely fortunate that it was found," he said.Farrell said a mass was removed during the procedure and no more surgery is needed. He said chemotherapy would start next week and that the cancer is in Stage 1.Also, Boston placed RHP Steven Wright on the seven-day concussion disabled list. A-Rod honor: The Yankees will hold a ceremony Sept. 13 to honor Alex Rodriguez 's 3,000th career hit, a feat that was once a point of conflict between the player and the club. "I think it's amazing," said A-Rod, who became the 29th member of the 3,000-hit club when he homered off Detroit's Justin Verlander on June 19. After Rodriguez missed last season while suspended for PED use, the club had declined to pay a $6 million bonus for reaching the feat. The sides later settled on a charitable donation. Valverde suspension: Free agent RHP Jose Valverde , 37, was suspended 80 games after testing positive for stanozolol, ESPN reported. He hasn't pitched in the majors this season. Cabrera back: Tigers slugger Miguel Cabrera came off the disabled list and started against Houston. The two-time AL MVP played first base and batted third; he had been out since July 3 with a strained left calf. Orioles: C Steve Clevenger was recalled from Triple-A Norfolk and OF David Lough was designated for assignment. White Sox: INF E milio Bonifacio was activated and INF Leury Garcia was optioned to Triple-A Charlotte.