Kieran Richardson and Nigel Reo-Coker have joined Granada on trial on Tony Adams' first full day as head coach.
Former West Ham midfielder Reo-Coker, 32, has played for teams in Major League Soccer between 2013-16.
Former Manchester United and England winger Richardson, 32, made six appearances for Cardiff in 2016 after spells at Aston Villa and Sunderland.
Ex-England and Arsenal captain Adams has been put in charge of the La Liga side until the end of the season.
Granada are 19th in La Liga after five losses in six games, leaving them seven points from safety with seven games remaining.