The U.S. Soccer Federation said Sunday that Evans is recovering from a calf injury sustained during a game against Toronto on March 15.
Americans players started gathering Sunday for the game, the last before the starting of the pre-World Cup training camp in mid-May.
Goalkeepers: Bill Hamid (D.C.), Sean Johnson (Chicago), Nick Rimando (Salt Lake)
Defenders: DaMarcus Beasley (Puebla, Mexico), Tony Beltran (Salt Lake), Matt Besler (Kansas City), Omar Gonzalez (Los Angeles), Clarence Goodson (San Jose), Michael Orozco (Puebla, Mexico), Michael Parkhurst (Columbus), DeAndre Yedlin (Seattle)
Midfielders: Kyle Beckerman (Salt Lake), Michael Bradley (Toronto), Brad Davis (Houston), Landon Donovan (Los Angeles), Maurice Edu (Philadelphia), Luis Gil (Salt Lake), Graham Zusi (Kansas City)
Forwards: Clint Dempsey (Seattle), Julian Green (Bayern Munich, Germany), Eddie Johnson (D.C.), Chris Wondolowski (San Jose)