The former Premier League players are both on trial with the La Liga side as they look to revive their careers in Spain
Former West Ham star Nigel Reo-Coker is training with Granada as a trial with the club, along with former Manchester United player Kieran Richardson.
Reo-Coker, who played over 100 times for both the Hammers and Aston Villa, moved to Major League Soccer in 2013 and most recently played for the Montreal Impact in 2015.
After his time with United, Richardson had a long and succeful run with Sunderland before spending time with Fulham, Villa and Cardiff City, where he was released from his contract in December.