Saliba has twisted his ankle during the warmups of Sunday's 1-0 loss against Liverpool and will miss the international break with France to recover,
coach Mikel Arteta confirmed the issue in a press conference. "He twisted his ankle during the warm-up, and he came in and he said he believed that he could carry on and play, but straight away in the first two actions. I could see that he couldn't cope, and we had to get him out unfortunately. But thank God we had Mosquera, which we put in for the first time in the Premier League. His debut, not expecting it at Anfield, and I think he was really, really good. I am [worried] because you cannot play a game of that stature. After you tried [to], that means that there is something wrong."