Arsenal manager Mikel Arteta has admitted that the absence of Jurrien Timber and Thomas Partey has been a ‘huge blow’ for the Gunners. Arteta spoke at his pre-match press conference ahead of Arsenal’s FA Cup third-round clash with Liverpool on Sunday at Emirates Stadium. Both Timber and Partey are currently recovering from injuries. He said: “[We saw] a little part of it. He [Timber] was only available for pre-season and the first game of the season. “It was a huge blow. Everyone could see from day one what he was going to bring to the team. The versatility, the quality, the leadership. And an…