Tests showed Kelley just has inflammation in the area. The right-hander is 4-2 with a 3.96 ERA and 66 strikeouts over 50 innings this season.
Bryan Hoch is a reporter for MLB.com. Follow him on Twitter @bryanhoch and read his MLBlog, Bombers Beat. Josh Vitale is an associate reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.