The club's Glazer owners were at the forefront of plans to create a breakaway Super League along with fellow Premier League sides Manchester City, Chelsea, Liverpool, Arsenal and Tottenham, before their withdrawal 48 hours after becoming founding members.
"When the Super League came around I told myself: 'That can't be possible - if it happens, what can we expect next?'," he told Dos De Punta.
"I don't share its ideas at all. I am not in agreement with it. You mustn't deprive more modest teams the chance of playing in the Champions League.
"Or stop average clubs from dreaming of competing with the bigger ones, and having a place among the elite. You can't deny fans of these clubs the chance to have this experience."