Cardinals general manager Walt Jocketty confirmed Friday that he is seeking an impact player to shore up an outfield decimated by injuries to right fielder Larry Walker and left fielder Reggie Sanders. "We're not looking for someone considered an extra outfielder," Jocketty said several hours before the Cardinals opened a three-game series against the Los Angeles Dodgers. "We're looking for someone like we found last season in Larry Walker." Jocketty has discussed the availability of San Diego outfielder Brian Giles with Padres general manager Kevin Towers, according to a source. Giles, like Walker, is a lefthanded hitter whom the Cardinals have long coveted. An apparent snag to a deal has been the Padres' insistence on receiving major-league pitching in return. Jocketty and manager Tony La Russa insisted Friday they do not want to subtract from their current roster to address an outfield need. "The injuries obviously make a difference in what our objective is going to be," Jocketty said. "But again, the injuries are all short-term. And we still have a pretty good lead. If we had a one- or two-game lead, it would be a different situation."