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The widely condemned European Super League has seen several 'founding members' withdraw their support from the association, including the Premier League's 'big six.'
Both AC Milan and Inter Milan have dropped their support for the breakaway competition as Juventus remain the only Italian side committed to The Super League.
However, Gravina has warned the Old Lady that their persistence with entering The Super League would result in expulsion from Serie A.
The 67-year-old Italian told Naples-based Radio Kiss Kiss: "The rules are clear.
"If Juventus is still part of The Super League when it enters next season, it can't participate in Serie A.
"I would be sorry for the fans but rules are rules and they apply to everyone. I hope this holdout ends soon."
Juventus, along with Barcelona and Real Madrid, released a joint statement on Saturday hitting out at the "intolerable" external pressure they have faced over their involvement in The Super League.
The Old Lady have struggled in their league campaign this season as Inter Milan have dethroned them from the top of Italian football by capturing the Serie A title.
Andrea Pirlo's men are now facing the threat of missing out on Champions League football next season after their 3-0 defeat to AC Milan on Sunday.
Juventus are currently fifth in Serie A and are one point behind fourth-place Napoli and three points behind third-place Milan.
Pirlo, who succeeded Maurizio Sarri at Juventus, has come under stinging criticism over his side's poor domestic form and lacklustre title defence.
However, the 41-year-old Juventus boss has refused to resign from the club after his side's defeat to Milan at the Allianz Stadium.
Speaking to Sky Italia, Pirlo said: "Resign? No, I won't step aside.
"I took this role with a great deal of enthusiasm amid certain difficulties. I am at the disposal of the club, there are still three games to go, so I will continue doing my work as long as I am allowed to.
"I had a different project in my mind and thought I would have a different group at my disposal. I had been working on some concepts, but then I had to make changes in order to suit their characteristics and had to adapt.
"It's not that this team is resistant to change, but if you have some things in your mind and they become more difficult with certain players.
"If I cannot get the best out of these players, that is my fault and I certainly need to do better.
"If something didn't go right, I take responsibility. This squad is made up of great players, clearly something did not work."
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