​Manchester United have agreed a fee of up to £70m for Brighton midfielder Carlos Baleba.The two clubs reached a breakthrough in negotiations on Friday evening, which left the 22-year-old free to complete his medical with the Old Trafford outfit.United targeted the Cameroon international this week after deciding to strengthen their midfield further following the earlier arrivals of Andrey Santos from Chelsea and Youri Tielemans from Aston Villa.They will pay an initial £65m, plus a potential £5m in add-ons, while Brighton have also negotiated a sell-on clause.More to follow.