Both clubs are hoping to secure European qualification for the 2024/25 season
Anthony Gordon's sliding effort results in a goal for Newcastle to put the Magpies back on level terms against Manchester United early in the second half at Old Trafford.
Premier League clubs will vote on whether to scrap video assistant referees (VAR) from next season at their annual general meeting next month.
The Red Devils take the lead thanks to a calm finish from Kobbie Mainoo, who finds the bottom corner of the goal to give Manchester United an early lead over Newcastle at Old Trafford.