Arsenal legend Martin Keown has heavily criticised goalkeeper Matt Turner for the way he allowed Sporting CP to score their first goal in the 2-2 draw in Lisbon.
The north Londoners took the lead through William Saliba after just 22 minutes, with the French international heading home a perfectly-weighted Fabio Vieira corner. However, Sporting went level just 12 minutes later, scoring a corner of their own through Goncalo Inacio.
But former Gunners centre-back Keown has far from impressed with Turner, who decided not to come and claim the cross before Inacio's finish. Speaking on BT Sport at half-time, Keown said: "Really he's killed everyone, because he's started to come and then doesn't.