The coaching staff of Ghana's U-20 men's national team inject more competition in the side as they seek to assemble a title winning side for the World Cup.Some additions have been made to the Black Satellites squad preparing in Accra for the 2013 FIFA U-20 World Cup as a number of foreign internationals join Sellas Tetteh's side.Three players, Anthony Manison (Rayo Vallecano, Spain), Frank Acheampong (Anderlect R.C, Belgium) and Thomas Patey (Atletico Madrid, Spain) have started training with the rest of the squad, the local component.Sellas expects Chelsea's Daniel Pappoe to join the team later on Monday.Arsenal's Zak Ansah will arrive in midweek while Alfred Duncan will fly in after Inter Milan's Serie A play-offs.The duo of Richmond Boakye and Baba Rahman will join the U-20 team after their engagements with the senior team, the Black Stars before Sellas finalizes Ghana's squad for the World Cup in Turkey this July.Ghana will face France, USA and Spain in Group A at the finals which will be played from June 21-July 13 in seven cities.