Arsenal are currently taking part in a warm-weather training camp in Dubai as Mikel Arteta puts his players through their paces during the winter break. The Gunners are not in competitive action now until Saturday 20 January, when they host Crystal Palace at the Emirates Stadium in the Premier League. Arsenal will be eager to get some rest from competitive action, rebuild and refocus in wake of a dismal few weeks in which they lost their last three games. On Friday, the Gunners’ X account shared footage of the Gunners players in action, and we saw an exquisite finish from Reiss Nelson. Gabriel…