straight to your inboxReal Madrid have joined the race to sign RB Leipzig defender Dayot Upamecano next summer, according to reports.After completing the signing of Donny van de Beek, MEN Sport understands that United are working on up to three more deals before the October 5 deadline.Although Ole Gunnar Solskjaer hasn't ruled out strengthening his defence and the club are monitoring a number of left-backs, attacking positions have been prioritised this summer and Jadon Sancho remains the top