Costa Rica boss Alexandre Guimaraes has named his World Cup squad, dropping Roy Miller from his initial 24-man pick.
Guimaraes has opted to leave Roy Miller out of his final squad
It includes Alajuelense team-mates Harold Wallace and Michael Rodriguez, who are recovering from knee injuries.
Defender Carlos Johnson and striker Bryan Ruiz are on standby in case the defensive duo fail to recover in time.
Striker Winston Parks was also left out of the squad, with goalkeeper Adrian de Lemos and defender Cristian Montero the other significant players to miss out.
"This is a list we've been studying in great detail based on the characteristics of our opponents," said Guimaraes.
The squad includes nine players who were in the 2002 World Cup squad, including ex-Derby County and Manchester City striker Paulo Wanchope.
Costa Rica open the tournament against hosts Germany on 9 June, before facing Ecuador and Poland.
Goalkeeper: Jose Francisco Porras (Saprissa), Alvaro Mesen (Herediano), Wardy Alfaro (Alajuelense).
Defenders: Harold Wallace (Alajuelense), Jervis Drummond (Saprissa), Michael Umana (Brujas), Michael Rodriguez (Alajuelense), Luis Marin (Alajuelense), Gilberto Martinez (Brescia, Italy), Leonardo Gonzalez (Herediano) Gabriel Badilla (Saprissa).
Midfielders: Randall Azofeifa (Saprissa), Carlos Hernandez (Alajuelense), Mauricio Solis (Comunicaciones, Guatemala), Douglas Sequeira (Real Salt Lake, USA), Danny Fonseca (Cartagines), Cristian Bolanos (Saprissa), Walter Centeno (Saprissa).
Strikers: Victor Nunez (Cartagines), Ronald Gomez (Saprissa), Kurt Bernard (Puntarenas), Alvaro Saborio (Saprissa), Paulo Wanchope (no club).