direct to your inboxJadon Sancho admitted he has endured a tough season for Borussia Dortmund since his links with Manchester United throughout the summer, but believes he's now back to his best.The England winger has now netted in his past three successive appearances for Dortmund, after scoring just four goals in 24 appearances for club and country before December 22.United were desperate to sign Sancho in the summer transfer window, but refused to meet the German club's £108million valuation