Arsenal saw their unbeaten start to the season brought an end yesterday as they fell to a 2-0 defeat against Bournemouth. Arsenal were below par from the first whistle, and were the architects of their own downfall on the south coast. William Saliba’s first half red card put Mikel Arteta’s side at a disadvantage. The manager’s team selection has also come under fire. Arteta was slammed by Arsenal fans over his use of Ethan Nwaneri. The Hale End academy scarlet was not introduced to the fray until late in the game, with the North London outfit already 2-0 down. Whilst the 17-year-old was able t…