Colorado Rockies

Colorado Rockies' Troy Tulowitzki, right, is helped off the field by manager Clint Hurdle after being injured in the first inning of their baseball game against the San Francisco Giants in San Francisco, Tuesday, April 29, 2008.(AP Photo/Eric Risberg)

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San Francisco Giants starting pitcher Tim Lincecum stands on the mound after being called for a balk during the seventh inning of their baseball game against the Colorado Rockies in San Francisco, Tuesday, April 29, 2008. (AP Photo/Eric Risberg)

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San Francisco Giants manager Bruce Bochy, right, argues with home plate umpire Gary Darling, left, after Darling called a balk on Giants pitcher Tim Lincecum during the seventh inning of their baseball game in San Francisco, Tuesday, April 29, 2008. The balk allowed the Rockies to score the go-ahead run. Colorado won the game, 3-2. (AP Photo/Eric Risberg)

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Colorado Rockies' Chris Iannetta is greeted in the dugout by his teammates after scoring the go-ahead run on a balk called on San Francisco Giants pitcher Tim Lincecum during the seventh inning of their baseball game in San Francisco, Tuesday, April 29, 2008. Colorado won the game, 3-2. (AP Photo/Eric Risberg)

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Colorado Rockies' Chris Ianetta, left, scores the go-ahead run on a balk called on San Francisco Giants pitcher Tim Lincecum during the seventh inning of their baseball game as San Francisco Giants catcher Bengie Molina, right, argues with home plate umpire Gary Darling, center, in San Francisco, Tuesday, April 29, 2008. Colorado won the game, 3-2.(AP Photo/Eric Risberg)

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Colorado Rockies shortstop Clint Barmes, top, turns a double play as the San Francisco Giants' Jose Castillo is forced out at second base during the second inning of their baseball game in San Francisco, Tuesday, April 29, 2008. (AP Photo/Eric Risberg)

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Colorado Rockies Chris Iannetta, right, circles the bases after hitting a home run off San Francisco Giants starting pitcher Tim Lincecum in the second inning of their baseball game in San Francisco, Tuesday, April 29, 2008. At left is Rockies third base coach Mike Gallego. (AP Photo/Eric Risberg)

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Colorado Rockies starting pitcher Aaron Cook throws against the San Francisco Giants in the first inning of their baseball game in San Francisco, Tuesday, April 29, 2008.(AP Photo/Eric Risberg)

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San Francisco Giants starting pitcher Tim Lincecum throws against the Colorado Rockies in the first inning of their baseball game in San Francisco, Tuesday, April 29, 2008.(AP Photo/Eric Risberg)

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San Francisco Giants pitcher Barry Zito rests on the hitting cage during batting practice before their baseball game against the Colorado Rockies in San Francisco, Monday, April 28, 2008. Before the game the Giants demoted the $126 million left-hander to the bullpen to work out his problems as a reliever.(AP Photo/Eric Risberg)

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