Arsenal are set to be active in the upcoming transfer window, and are actively scouting a lot of players in a number of positions. Mikel Arteta is keen to add youthful quality in several positions, but if a market opportunity opens up, Arsenal may be open to a deal for a surprise signing. This could come in the form of a Championship star in Leeds United gem Archie Gray. Leeds failed at the last hurdle as they lost the Championship playoff final to Southampton, and this means that they could lose a few key players in the transfer window. Gray has been one of the best young talents to come out …