Louis van Gaal admitted Manchester United's $55 million purchase of Anthony Martial from Monaco was an outrageous sum of money.

“It was a ridiculous amount of money, but it’s the crazy world we are in,” Van Gaal said. “United are routinely quoted £10 million ($15 million) more for a player but I have not bought Martial for me. I have bought him for the next manager of Manchester United.”

Martial is just 19 and is largely an unproven commodity.