Anthony Martial's outstanding strike against Newcastle United in the Premier League on Oct. 6 cost Manchester United £8.7 million, according to Liam Corless of the Manchester Evening News.
The goal was the equaliser in a tense match, as the Red Devils fought back from 2-0 down at home to win 3-2 against the Magpies in the Premier League
However, the effort triggered a clause in the France international's contract, as he scored his 25th Premier League goal since joining from Monaco in 2015.
Corless reported the tidy finish gave Monaco a huge windfall, forcing United to pay the French team an additional €10 million (£8.