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04/30/08 2:52 PM ET

Herrera called up, starts at second

Rockies also add Quintanilla, put Wells on disabled list

SAN FRANCISCO -- The Rockies called up infielder Jonathan Herrera from Triple-A Colorado Springs and put him in the lineup at second base in Wednesday afternoon's finale of three games against the Giants at AT&T Park.

Herrera, 23, set to bat eighth in his Major League debut, hit .310 with two home runs and 17 RBIs at Colorado Springs. Also joining the Rockies was infielder Omar Quintanilla, who hit .321 for Colorado Springs and has spent parts of the last three seasons with the Rockies.

To make room for the pair, the Rockies officially sent left-handed pitcher Franklin Morales to Colorado Springs and place right-hander Kip Wells on the 15-day disabled list with circulation problems in his throwing hand.

Starting shortstop Troy Tulowitzki suffered a left quadriceps strain Tuesday night and went to Denver on Wednesday for an MRI but he has yet to be placed on the DL. The Rockies will have to clear a roster spot for the starting pitcher for Saturday night's game against the Dodgers.

The Rockies signed Herrera, from Maracaibo, Venezuela, as a 17-year-old in 2002. His slick fielding caught the eye of current Rockies third-base coach Mike Gallego, the club's former Minor League infield instructor, although Gallego instructed him to be a little less slick.

"He's eliminated a lot of mistakes he used to make by trying to be too quick and flashy," Gallego said. "He's matured. I knew it was just a matter of time. If he is able to, and I think he will, allow his mind to overcome the excitement of being in the big leagues -- the awe of the bright lights -- this kid's going to be here for a long time."

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