Arizona Diamondbacks right-hander Ryne Nelson exited Thursday night's start against the San Francisco Giants after getting hit on his pitching arm by a line drive in the second inning. The ball left Mike Yastrzemski's bat at 87 mph. Nelson recovered to field the ball and throw out Yastrzemski out at first base, ending the inning. The 26-year-old Nelson threw 27 pitches, allowing two hits and no runs.