- Associated Press - Saturday, April 12, 2014

SAN FRANCISCO (AP) - A momentary lack of focus turned out to be just enough to wipe out Matt Cain’s best outing of the year and keep the former Giants ace winless in three starts.

It’s been that type of season already for the San Francisco right-hander, who had little margin for error on a day the Giants were held scoreless by six Colorado pitchers.

“It just came down to more of a mental mistake and here we are losing,” said Cain after the Giants lost 1-0 to the Colorado Rockies. “I’ve been around long enough to understand what guys are trying to do and get into scoring position. One of the basic things is holding runners.”

Cain failed to do that in the third inning when Colorado scored the game’s only run.

Charlie Blackmon, the majors’ leading hitter going in, led off the inning with a walk and took second on Brandon Barnes’ infield single. After Blackmon and Barnes advanced on a double steal, Blackmon came home on Troy Tulowitzki’s sacrifice fly.

Cain (0-2) blamed himself, saying he was too focused on the runners and not enough on Colorado’s hitters in that situation.

Manager Bruce Bochy agreed.

“The double steal cost us a run there,” Bochy said. “(Cain) threw quality strikes. It was really (Colorado) taking advantage of mistakes we made.”

The Rockies also got a big lift from their bullpen.

Tommy Kahnle and four relievers combined for two-hit ball over six innings after Brett Anderson was injured, leading Colorado to just its third win in the last 17 games at San Francisco’s waterfront ballpark.

Kahnle (2-0) allowed one baserunner in two innings. Matt Belisle, Adam Ottavino, Rex Brothers and LaTroy Hawkins pitched an inning apiece to complete the three-hitter with Hawkins finishing for his second save.

Rockies relievers extended their scoreless streak to 9 2-3 innings in this series.

A day after pitcher Madison Bumgarner hit a grand slam and drove in five runs, the Giants managed only three hits and were shut out for the first time this season.

San Francisco loaded the bases with two outs in the eighth but Brothers struck out Pablo Sandoval on five pitches to end the inning.

“With the bullpen we have we can come in with any lead and hold the opponent (down),” Kahnle said.

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