Manchester United had to work hard to beat Middlesbrough, but they got over the line in the end.
Goals from Marouane Fellaini and
Jesse Lingard helped the visitors open up a 2-0 lead but Rudy Gestede ensured a nervous finish before Antonio Valencia made things safe in the final minute with a third United goal.
That should have been the end of things, but it seems there was a heated exchange in the tunnel after the final whistle.
While it is unclear from the footage below how the incident began, it seems as though Gestede and Eric Bailly were the two most heavily involved in proceedings.
https://twitter.com/Dale_MUFC_/status/843463812405772290
It may yet emerge that the Benin international said something to his opponent to provoke the angry reaction, and we don't doubt the Premier League will look into the goings-on. It certainly seemed like something significant happened, based on the reaction of Bailly and his teammates.
Gestede, whose goal was his first in the league since joining Boro from Aston Villa in January, will hope he has not been found to have done anything which could lead to a ban.
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