By 90min Staff 90min rounds up the latest transfer news, rumours and gossip circulating around the world… Chelsea are confident they can convince Crystal Palace winger Michael Olise to move to Stamford Bridge this summer and reject a transfer to Manchester United. (TEAMtalk) Man Utd are expected to ramp up their efforts to sign Benfica centre-back Antonio Silva, who has a €100m (£85m) release clause, ahead of Real Madrid. (O Jogo – Portugal) Arsenal are exploring a move for Napoli striker Victor Osimhen after Chelsea cooled their interest in the Nigeria international. (Gianluca Di Marzio – I…