Arizona Diamondbacks left-hander Madison Bumgarner (arm) is on track to make his next scheduled start after an MRI exam on his left arm showed no structural damage, according to manager Torey Lovullo. Bumgarner is just dealing with a little fatigue in his arm. He'll throw a typical between-starts bullpen session this week, and barring a setback, he'll start on Friday against the Los Angeles Dodgers. The 33-year-old southpaw's velocity was down in his first start of the year on Saturday, and he ...