Manchester United’s last act on deadline day was securing a deal for Jadon Sancho to join Chelsea on loan. The 24-year-old has completed a move to Stamford Bridge in a loan deal which has an obligation to buy next summer. Easily one of the club’s worst ever transfers, the £73m deal to bring Jadon Sancho to Old Trafford in 2021 has turned out to be nothing short of a disaster. Hailed as one of Europe’s brightest talents during his time at Borussia Dortmund, Sancho endured an underwhelming debut season at the club and things went from bad to worse under Erik ten Hag. The England international fe…