Radamel Falcao has just four goals in 20 games for Manchester United . The Colombian striker is on loan at Atletico Madrid from Monaco and scored twice against Real Betis last weekend. Former player Ray Wilkins does not believe United will pay up to sign him . Falcao was left on the bench for United 's 1-0 win over Newcastle United . CLICK HERE for all the latest Manchester United news .
Radamel Falcao has just four goals in 20 games for Manchester United . The on-loan striker has been a huge disappointment in the Premier League . Former player Ray Wilkins does not believe United will pay up to sign him . Falcao was left on the bench for United 's 1-0 win over Newcastle United . CLICK HERE for all the latest Manchester United news .