Arsenal have permanently signed Tierney and Luiz on the Premier League transfer deadline day. The 22-year-old left-back, Kieran Tierney completed his medical on Thursday after the clubs agreed terms following lengthy talks. Arsenal have reportedly paid £25m to Scottish Premiership club Celtic. Tierney has signed a long-term deal and will wear the No. 3 shirt … Continue reading Arsenal have signed both Kieran Tierney and David Luiz to improve their defence