SAN FRANCISCO, Aug. 11 (UPI) --
Tyler Chatwood and three Colorado relievers combined on a three-hit shutout Friday and the Rockies stifled the San Francisco Giants 3-0.
Chatwood (2-2) scattered three hits over five scoreless frames to earn the victory, issuing two walks and striking out two.
Adam Ottavino and Matt Belisle combined for three hitless innings and Rafael Betancourt recorded a 1-2-3 ninth for his 20th save as the Rockies won the opener of a three-game series.
Dexter Fowler, Tyler Colvin and Chris Nelson drove in runs for Colorado.
San Francisco's Tim Lincecum (6-12) was saddled with the loss, surrendering three runs on six hits over seven innings.
The Giants fell into a first-place tie with the Los Angeles Dodgers atop the National League West with the loss.
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