Tommy Kahnle is back after 4 months on the IL

Heath Hembree was designated for assignment The Dodgers on Tuesday activated reliever Tommy Kahnle off the 60-day injured list after the right-hander missed four months with a bone bruise in his right elbow. Kahnle was one of eight Dodgers pitchers on the injured list, all vying to pitch in some role in October. He pitched seven games on a rehab assignment with Triple-A Oklahoma City, allowing three runs in seven innings with seven strikeouts and two walks. He last pitched on Friday, throwing 15 pitches in a scoreless inning against Tacoma. Kahnle also pitched in back-to-back games last Tuesday and…