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02/20/2013 6:58 PM ET

Lopez to rest bruised pitching hand for few days

SCOTTSDALE, Ariz. -- Javier Lopez's bruised left hand proved that there's nothing wrong with Madison Bumgarner's stuff.

Contrary to earlier reports, Lopez said Wednesday that he was hit squarely on the back of his pitching hand by a toss from Bumgarner as they played catch Tuesday morning in the right-field area at Scottsdale Stadium. It had been reported that a ball short-hopped Lopez before it struck him.

Lopez settled into a catcher's crouch to enable Bumgarner to throw a couple of simulated pitches. The last one moved a little too much for Lopez to handle.

"He threw some pretty nasty offspeed stuff," said Lopez, whose hand bore the imprint of the baseball's seam. "It was a split-change-cutter combo. It did a little bit of everything."

Lopez, who was on Puerto Rico's provisional roster for the World Baseball Classic, already had decided to skip the event. The decision was even easier in hindsight.

"Now this gives me more reason to sit here and get this better," said Lopez, who probably will rest for three or four days, according to Giants manager Bruce Bochy.

Bad weather forces Giants workouts indoors

SCOTTSDALE, Ariz. -- The Giants engaged in their daily regimen of training despite Wednesday's showers that kept them off the fields and diamonds.

Position players were shuttled to the nearby Minor League facility to take batting practice in indoor cages. Pitchers took turns throwing off the four covered mounds at the Scottsdale Stadium complex.

"It actually worked out well," manager Bruce Bochy said.

Tim Lincecum was among the pitchers who threw off a mound. "He feels good and looks great," Bochy said of Lincecum, who has yet to face hitters in live batting practice.

Left-hander Michael Kickham, one of San Francisco's more promising starting prospects, overcame discomfort caused by a blister and logged his first throwing session. Right-hander Boof Bonser, who's in the closing stages of his recovery from Tommy John elbow surgery, is expected to throw a bullpen session Thursday.

Bochy and pitching coach Dave Righetti are pondering whether to stage a five-inning intrasquad game Friday or skip the game to set up pitchers for Cactus League appearances. The Giants open the exhibition season Saturday against the Los Angeles Angels.

Chris Haft is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.