An Arsenal star was reportedly seen wearing an arm sling after this afternoon’s 2-1 Premier League win against Everton. The Gunners missed out on the league title as Manchester City got the job done against West Ham at the Etihad Stadium with a 3-1 win, with Arsenal needing a late Kai Havertz goal to secure their own victory. Despite missing out on the title, the scenes post-match were that of jubilation and pride from Arsenal supporters, who throughout the game were in fine voice even when news emerged that City were winning. Yet one Arsenal star did not survive the game in one piece. Gabriel…