[U.S. UNDER-23 MEN] U.S. under-23 national team coach Caleb Porter has brought in three new players to the ongoing training camp at the Home Depot Center in Carson, Calif. Goalkeepers Matt Lampson, a recent homegrown signing by the Columbus Crew, and Brian Perk of the Los Angeles Galaxy, as well as Stuttgarter Kickers II defender Royal-Dominique Fennell, have been added to the squad.

Goalkeeper David Bingham and defender Gale Agbossoumonde, named in Porter's initial 22-man squad, will not attend the camp due to injuries.

Bingham's injury left Zac MacMath (Philadelphia Union) as the only goalie in camp. Two other U-23 candidates, Bill Hamid (D.C. United) and Sean Johnson (Chicago Fire), are with the full national team.

Fennell has been a part of each of the previous two U-23 camps, while both Lampson, who played last season for Ohio State, and Perk earned their first invite under Porter.

The U-23s will travel on Jan. 18 to Costa Rica, where they will play two matches against local club teams.