The Arsenal boss was at the Mestalla to watch the defender as Valencia and Getafe shared the points in a goalless draw
Arsenal are interested in a shock Bosman move for Antonio Valencia, who is set to leave Manchester United in the summer, as per his father.
Arsenal could reportedly offer Reiss Nelson or Ainsley Maitland-Niles to Crystal Palace, in order to push through a deal for Eagles' defender Aaron Wan-Bissaka.
Arsenal overcame their 3-1 first-leg deficit and beat Rennes 3-0 at the Emirates, with Aubameyang the hero with a brace and an assist
The North London side are considering an approach for Burnley's out of favour goalkeeper as they seek a viable replacement for the retiring Petr Cech.
Arsenal and Manchester City are reportedly leading the chase for former Barcelona academy man and Benfica full-back Alejandro Grimaldo.
Arsenal winger Bukayo Saka has emerged as the latest youngster to be linked with a move to Bundesliga, with the player likely to leave the club in the summer
Arsenal have reportedly held preliminary talks with Rennes over a deal for 21-year-old Senegalese winger Ismaila Sarr in the summer transfer window.
Arsenal have reportedly scouted Paris Saint-Germain starlet Christopher Nkunku again ahead of potential bid in the summer transfer window.
Arsenal seem to have the upper hand in the top four race and now look favourites ahead of Manchester United and Chelsea, but will there be a late twist?