Giants infielder Freddy Sanchez took ground balls at second base and threw to first Wednesday for the first time since he dislocated his right shoulder on June 10, a significant moment in his rehab.
The San Francisco Giants agreed to a $1.05 million, one-year contract with infielder Mike Fontenot, keeping him over second baseman Jeff Keppinger.
The Colorado Rockies bolstered their infield by acquiring veteran second baseman Mark Ellis from the Oakland Athletics on Thursday.
San Francisco rewarded Sanchez with a $6 million, one-year extension for the 2012 season Friday.
Brooks Conrad has been benched one day after his three errors at second base left the Atlanta Braves on the brink of playoff elimination.