Oakland put left-hander Drew Pomeranz on the 15-day disabled list because of a broken right hand, a day after he allowed a career-high eight runs in 32/3 innings in a loss to Texas. Pomeranz was called into Manager Bob Melvin's office after Monday's game, then met with reporters while holding a plate of food in his right hand and did not indicate anything was wrong. . . . Colorado pitcher Nick Masset was suspended three games and fined for throwing a pitch at Atlanta's Evan Gattis Thursday. Braves reliever David Carpenter, also fined for throwing at the Rockies' Corey Dickerson in the same game, went on the DL Tuesday with a strained right biceps. . . . The Texas Rangers, whose top four first basemen are on the DL, signed 36-year-old Carlos Pena to a minor league contract. . . . Cleveland left fielder Michael Brantley underwent tests on head and neck injuries he sustained Monday against the Angels. . . . Arizona recalled right-hander Mike Bolsinger to start Tuesday in place of Bronson Arroyo, who went on the DL Monday. . . . Baltimore activated right-hander Miguel Gonzalez.