Floyd suffered the unusual injury — to the olecranon, the bony tip of the ulna that sticks out at the curve of the elbow — while pitching against Washington on Thursday.
Floyd recently recovered from Tommy John ligament replacement surgery and was making his ninth start since his return. The Braves lost two starters, Kris Medlen and Brandon Beachy, for the season when both required Tommy John surgery during spring training.
Cincinnati sent struggling left-hander Tony Cingrani to triple-A Louisville and said reliever Sean Marshall would have surgery on his left shoulder. . . . Pittsburgh Manager Clint Hurdle said Mark Melancon would close games in place of struggling Jason Grilli, who has blown four save opportunities this year. . . . Arizona designated former closer J.J. Putz for assignment. . . .
Cleveland recalled right-hander Vinnie Pestano from Columbus and optioned right-hander Zach McAllister to the triple-A club. . . . Outfielder Yasmani Tomas, who according to official Cuban league statistics hit .275 with 10 homers and 59 RBIs in 97 games for Havana's powerhouse ballclub Industriales, has defected to the U.S., Cuban authorities said.