Arsenal are one of the hardest-working teams in the Premier League, but you must have wondered which player has the best work ethic in the Gunners squad. Mikel Arteta made it clear on his very first day as Arsenal’s manager that each player has to give their 100 per cent every single day. Those who ignored him back then were shown the door, and players Arteta has signed since have all aligned themselves with his principles. Everybody at Arsenal works hard, but Charles Watts has now named who people at the club think has the best work ethic. Everyone at Arsenal is in agreement about the hardest…