Kieran Tierney Set for Arsenal Medical as David Luiz Chase Heats Up Ahead of Deadline Day

�Kieran Tierney is travelling to Arsenal to have his medical ahead of a £25m move from Celtic, while Chelsea defender David Luiz looks set to follow suit in a shock move ahead of the transfer deadline at 5pm on Thursday. Unai Emery has been on the hunt for defensive reinforcements this summer, with left back and central defence a position of real importance to the Gunners boss, with the Spaniard having his eye on Tierney in particular throughout the window...