Explained: Why Casemiro joins Harry Kane, Lisandro Martinez & others in leaving Nike - as Man Utd midfielder signs with adidas after entire career with American brand

The Brazilian is now an ambassador for adidas, according to The Daily Mail, and was seen wearing Predator boots during United's 2-1 win at Aston Villa on Sunday. The midfielder had been wearing Nike boots since beginning his career with Sao Paulo through to his trophy-laden spell with Real Madrid and his first 18 months with United.

Casemiro is the latest high-profile to end ties with Nike after United team-mate Lisandro Martinez, Bayern Munich star Harry Kane plus Jack Grealish, Mateo Kovacic and Manuel Akanji of Manchester City. The exodus has coincided with Nike pledging to cut their budget by $2 billion (£1.58bn) over the next three years, leading them to rip up contracts with some of the biggest footballers.

United have won all four matches since Casemiro returned to action in late January, having injured his hamstring against Newcastle on November 1.

The Brazilian has improved steadily after making a poor start to the season and his return to form has helped United revive their season. The Red Devils will look to build on their recent run of victories when they visit Luton Town in the Premier League on Sunday.