Rubén Pérez is reportedly not part of Panathinaikos' plans and has not been used this season by coaches Diego Alonso or Rui Vitoria. Although he has a contract that lasts until the end of the season, the Spanish publication 'El Periodico' reported that Real Zaragoza has expressed interest in acquiring the 35-year-old midfielder in January. Real Zaragoza is aiming to prioritize the signing of a midfielder during the upcoming January transfer window. The club currently holds the 10th position in the second tier of Spanish football after 17 matches.