Transfer: Arsenal step up bid for Tonali as Man Utd enter race for Robinson

Arsenal have stepped up their bid for Newcastle midfielder Sandro Tonali, seen by Mikel Arteta as vital squad depth. Manchester United are also tracking the Italian. Additionally, Fulham's Antonee Robinson has been linked to Manchester United as a left-back option following Tyrell Malacia's departure. Manager Michael Carrick is also considering Lewis Hall, but Robinson could be a cheaper alternative.