Charlie Davies, who sat out two matches with a groin injury, practiced the past two days and will be available for D.C. United’s showdown with the Los Angeles Galaxy on Saturday night at RFK Stadium, Coach Ben Olsen said after Friday’s training session.

Perry Kitchen rejoined the team after U.S. under-20 national team duty in Guatemala and seems likely to start.

Rodrigo Brasesco, who left Wednesday’s U.S. Open Cup game with a groin injury, probably won’t make the game-day roster.

Jed Zayner continues to struggle with a hamstring injury that has sidelined him since the season opener. The club is monitoring him closely, but expect rookie Chris Korb to start at right back.

Clyde Simms (hamstring) should be available after missing three matches.

Olsen wouldn’t reveal his starter in goal: Pat Onstad, who has played all three league matches, or Bill Hamid, who was sharp in his 2011 debut Wednesday. My hunch is Hamid.

*Advanced ticket sales have surpassed 21,000, securing a second consecutive big turnout (the opener three weeks ago drew 18,132).

*Will Landon Donovan start for the Galaxy ? We’ll see. In his MLS career, Donovan has 14 goals and three assists in 18 regular season matches against United.

“We expect him to be around, and if he’s not, we’ll go from there,” Olsen said. “It doesn’t change our preparations much. Landon is a game-changer. He is one of the best this league has ever seen, and we obviously know him pretty well. That doesn’t mean you always stop him. I don’t think we need to do too much scouting Landon Donovan. We know how good he is and what he’s all about.”

*It’s a homecoming for the L.A. coaching staff: Bruce Arena (DCU head coach, 1996-98), top assistant Dave Sarachan (former DCU assistant) and new assistant Curt Onalfo (former DCU player, assistant, head coach).

*United’s reserves will join the University of Maryland and Virginia teams for three 45-minute scrimmages Sunday at Ludwig Field in College Park, starting at noon. Admission is free.