Cerezo said in an interview with Cadena Ser radio that the club had reached an agreement with former Atletico goalkeeper Resino, who is coach of second division Castellon.
"We have chosen Abel because we believe he is the right solution for the current situation," Cerezo said.
The 49-year-old Resino also had brief spells as coach of Levante and Ciudad de Murcia, and takes charge just over three weeks before the first leg of the club's Champions League last 16 tie against Porto.
"We have reached a good agreement," the Mexican told Cadena Ser. "I am the first to understand that I am a fundamental part of the problem the team finds itself in.
"We are adults, it doesn't matter. It's the easiest for everyone and the least traumatic."
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