LAKE BUENA VISTA, Fla. -- When the Braves acquired Garret Anderson, there was a perception that he would be less of a health-related concern than Ken Griffey Jr. But fewer than two games into his exhibition season, Anderson already finds himself nursing a right leg ailment.

Anderson was scratched from Friday night's lineup against the Astros with a strained right calf, an injury he sustained while jogging during pregame warmups. The veteran outfielder said that it will be a few days before he has a better understanding about how long he might be sidelined.

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When he left the stadium, Anderson was walking with an obvious limp. Though manager Bobby Cox is hopeful that his new outfielder might miss just a few games, there's certainly a possibility that it will take at least a full week, and possibly longer, for the muscle to heal.

The Braves signed Anderson on Feb. 22, and the 36-year-old outfielder made his first game appearance on Thursday, when he went hitless in two at-bats against Venezuela.

After Griffey opted to return to Seattle, the Braves set their sights on Anderson, who has played at least 140 games during three of the past four seasons with the Angels. But he hasn't played more than 100 games as an outfielder since 2005.

Matt Diaz replaced Anderson in left field and hit an opposite-field homer off Fernando Nieve in his first-inning at-bat. While playing just three innings in the 13-0 victory, he recorded three hits and finished a triple short of the cycle.

Before Anderson sustained this injury, most of Cox's health concerns centered around his young top prospects. Jordan Schafer has been out since Saturday with a strained right shoulder, and 19-year-old first baseman Freddie Freeman will miss the next few days while nursing a sore right quad.

Schafer, who was injured while attempting to make a diving catch on Saturday, is expected to miss at least the next four games. His absence has hurt his chances of beating Josh Anderson in the battle to begin the season as Atlanta's starting center fielder.

After straining his quad during the early days of camp, Freeman continued to play and enjoy his first big league camp. In the process, the young first baseman made a positive impression on Cox.

"I love to watch that kid hit," Cox said about the 6-foot-5 first baseman. "For a big guy, he has a nice compact swing. Hopefully, he'll get back out there soon."

Cox's other medical concerns center around Peter Moylan and Rafael Soriano, both of whom seem to be throwing without any discomfort in their surgically repaired right elbows. Moylan is scheduled to make his second appearance on Sunday, and Soriano is expected to throw live batting practice for the first time this year on Saturday.

As for the oft-injured Phil Stockman, back discomfort prevented him from making his scheduled appearance against the Astros on Friday night. Cox doesn't know when the right-handed reliever might be able to return to the mound.