Arsenal completed a training session at the Emirates Stadium this weekend, but there is some worry as two key players were not spotted. Gabriel Jesus and Gabriel Magalhaes were both not pictured in the training photos released by the club, leading to some fears that they may be absent ahead of upcoming ties against Nottingham Forest and Liverpool. However, it seems unlikely that either player will be out of action, despite Gabriel Magalhaes leaving the pitch with a knock against Crystal Palace last week. Their absence from training photos could be a deliberate act by the club, as seen in the D…