Mikel Arteta must make one bold selection decision ahead of Sunday’s clash with Manchester United if the latest Arsenal injury rumour proves to be true. Mikel Arteta has been fortunate to have very few injuries to consider when picking his Arsenal team in recent weeks. However, the Gunners now have a fresh fitness concern ahead of this weekend’s all-important trip to Old Trafford, as Takehiro Tomiyasu was noted as being absent from training this week. The Japanese defender has started the Gunners’ last three Premier League matches, playing at left-back, and has found some form. Tomiyasu impres…