SAN FRANCISCO -- Tyler Chatwood pitched 5 2/3 perfect innings before Chris Marrero's single and finished with a two-hitter for the Colorado Rockies in his first big league shutout, a 5-0 win over the San Francisco Giants on Saturday.Chatwood (1-2) struck out four and walked one, lowering his ERA from 6.35 ERA to 3.54. He threw 67 of 105 pitches for strikes in his second complete game in 91 major league starts. Apple to Begin Testing Self-Driving Car Tech in California He retired 17 consecutive batters before Marrero lined a single into right field. Joe Panik singled leading off the seventh.Nolan Arenado had three hits, including a home run off Matt Moore (1-2), who allowed five runs, 10 hits and three walks in 5 2/3 innings. 2 Women Leaving Church Killed by Suspected Drunk Driver: CHP Arenado's fourth home run this season put the Rockies ahead 1-0 in the third, and Charlie Blackmon hit a two-run single in a three-run fourth that included Dustin Garneau's RBI double. Stephen Cardullo added a run-scoring single in the fifth.Giants left fielder Jarrett Parker left after appearing to injury a shoulder when he crashed into the wall on a running catch, robbing D.J. LaMahieu of an...