Centre-back Cuellar is keen to join Walter Smith´s side, having played against Rangers in the UEFA Cup last season and experienced the Ibrox atmosphere.
Pedro Bravo, the 25-year-old defender´s agent, insists Cuellar will respect Osasuna´s final decision and said: "There have been offers. The most recent one was not satisfactory to Osasuna and Cuellar will continue to be an Osasuna player with pride.
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