The Englishman fell ill and could not study.
Marcus Rashford walked outside Belfast in the evening, first to let you know that he is unwell to allow Manchester United to train on Friday.
On Wednesday evening, United reported that Rashford was in the capital of Northern Ireland, and The Athletic confirmed that Gravec had also left the night club the following evening, several years before they would appear on the good time for the club.
Rashford left the nightclub around four in the evening and returned to Manchester on a private flight early in the morning..
On Friday, Erik ten Hag revealed that the England international was unable to train ahead of the FA Cup fourth round match with Newport County due to illness.
It was previously reported that Manchester United would call Tawny.