Manchester United and Arsenal face off at Old Trafford in their first game of the new Premier League season. What are the keys to the game?

Man Utd and Arsenal have had contrasting fortunes of late, but serve up a Premier League opening weekend special.

The Premier League season may not have started yet, but in any given soccer-loving group chat at any given time, there is probably a conversation about who Manchester United's next manager might be. It is not just innocent offseason fodder that maintains the bonds of friendship,