#1 Lucas Perez (2016 - ?)
Lucas Perez is yet to secure a move away from the Gunners at the time of writing, but it seems fairly certain he will soon, adding his name to this undesirable list. Perez was never found to lack quality, yet was still deemed surplus to requirements on a side that featured Alex Iwobi, Theo Walcott, Oxlade-Chamberlain et al in attacking positions and Giroud or Welbeck as the lone striker.
Signed towards the end of the 2016 transfer window when Wenger failed to land his primary targets, Perez was never given the backing he needed. Instead, Wenger counted on him to simply provide competition for the attacking positions, and that's exactly what he did. "He is a top quality striker but I could not give him the games he wants and deserves, I confess that," Wenger said at the end of last season. "I feel a bit sorry for him."
Over to you, Alexandre Lacazette. Can Arsenal fans finally belt out a chant for their number 9 with pride?