The Madrid star was angered by Spanish radio and television presenter Juanma Castano describing the European champions' controversial elimination of Juve on Wednesday as "a scandal" and "a robbery", following a late penalty given in Lucas Vazquez's favour at the Santiago Bernabeu.
He said at half-time: 'Hopefully Real Madrid if they get to the semis then Gareth will look to start there.
The January signing of Alexis Sanchez now means United's need for a wide forward is not as pressing as it was, despite the uncertainty surrounding the future of Juventus target Anthony Martial who has reportedly rejected a new contract offer.More news: Syria airstrikes: Full text of British PM Theresa May on military action
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He has fallen down the pecking order after a season struggling with injuries, with Isco and Marco Asensio preferred options.
Big-spending Inter are the only club reported to now hold a serious interest in Bale and have been linked with a move ever since he scored a Champions League hat-trick against the Serie A side eight years ago. He told Dermot Corrigan at ESPN FC: "Gareth is a Real Madrid player and loves Real Madrid, and Real Madrid love Gareth". But the way the game has ended for him suggests he's as far away from a starting place in the semi-final as he has been'.
It seems possible that Bale could be deemed surplus to requirements but finding a buyer may be hard.