By 90min Staff 90min rounds up the latest transfer news, rumours and gossip circulating around the world… Manchester United have been told to sign Brentford forward Bryan Mbeumo if want to strengthen their attack in January. The in-form goalscorer has netted eight times in 10 appearances so far this season. (Metro) Arsenal could make a move for Juventus striker Dusan Vlahovic in January after failing to sign RB Leipzig’s Benjamin Sesko in the summer. (TeamTalk) Meanwhile, Liverpool have been handed a boost in their pursuit of Leipzig defender Castello Lukeba after the Bundesliga side adjuste…