Manchester United ace Marcus Rashford's transfer value is on a downward spiral despite enjoying a successful stint at Barcelona so far. After his loan spell at Aston Villa , Rashford expressed his desire to leave United during the summer transfer window. His wish was granted when an agreement was struck with his preferred club - the Catalan behemoth, Barcelona . Barca agreed to foot the bill for Rashford's wages in full, bringing him to the club on a loan deal. The La Liga side, managed by