Manchester United are one of the teams closely watching Bologna striker Joshua Zirkzee. The biggest threat to Manchester United in the race for Joshua Zirkzee is widely reported to be Serie A side AC Milan. Gianluca di Marzio has reported interest from Milan, who were considered to be leading the race before Manchester United stepped up interest in the Dutchman. Now according to Goal, the Milan are considering alternatives as they prepare for the eventuality Zirkzee is Old Trafford bound. Sky Italia report there is contact from the Manchester United manager: “In the last few days contacts betw…