Wenger has confiremed that Laurent Koscielny, Alexis Sanchez and Petr Cech will rest today. Coquelin , Cazorla and Ozil are both injured and will be ruled out as well.
Here are the probable line-ups:
Preston North End: Lindegaard; Baptiste, Clarke, Wright, Cunningham; Gallagher, Pearson, Johnson, McGeady; Makienok, Hugill.
Arsenal: Ospina; Bellerin, Gabriel, Holding, Monreal; Xhaka, Ramsey; Oxlade-Chamberlain, Iwobi, Reine-Adelaide; Giroud.