New York Mets third baseman Todd Frazier, who’d never been on the disabled list before this season, went on it for the second time with a strained muscle in his rib cage. … Washington activated catcher Matt Wieters. … Tampa Bay catcher Wilson Ramos, an All-Star starter and potential free agent, expects to be traded and wouldn’t mind going back to Washington. “I’ve got good memories over there,” he said. “If I get traded, it would be fun to be back there.” … Kaito Yuki, a 16-year-old pitcher from Japan, signed a minor league contract with Kansas City.