On Sunday Arsenal announced their 26-man squad for their pre-season tour of the United States, which will kick off against Bournemouth. Mikel Arteta’s side will face Andoni Iraola’s team on Wednesday and then later play Manchester United and Liverpool before returning to London for the Emirates Cup. Arsenal do have two new signings travelling to the US for the games, but they are not the duo that supporters of the club may have imagined. 18-year-olds Tommy Setford and Lucas Nygaard have been included in the squad after joining this summer because both David Raya and Aaron Ramsdale are on holid…