Mikel Arteta has admitted he is "very worried" about William Saliba's injury after the Arsenal defender missed Saturday's 2-2 draw against Aston Villa on Saturday.

Arsenal manager Mikel Arteta has confirmed that the club are planning to strengthen before the end of the January transfer window.The Gunners suffered another setback to their title hopes yesterday

"It was the best game we've played against Villa since I've been here. They're a good side. In attack and defending, the level we're playing is so high. Something was missing. The line is so thin and we have to find it.

Mikel Arteta admitted his envy at Liverpool's greater strength in depth after Arsenal lost ground in the Premier League title race with a 2-2 draw against Aston Villa.

Arsenal's squandering of two Premier League points in Saturday's 2-2 draw with Aston Villa was compounded by concerns about an injury to defender William Saliba that ruled him out of the game. Saliba was not even in the squad after suffering a hamstring injury in the 2-1 victory over Tottenham Hotspur in midweek.