Joshua Zirkzee has made himself a hero in game one for Manchester United. As the minutes ticked down at Old Trafford, it was the new No.11 who salvaged three points when it looked likely to end in a draw. Joshua Zirkzee was a second-half substitute and his impact was immediate, scoring after he got the deciding touch on Alejandro Garnacho’s cross. Joshua Zirkzee became the latest United player to score on his debut in the 1-0 win for Manchester United. In doing so, he has joined the record books alongside his coach Ruud van Nistelrooy. READ: Who is Joshua Zirkzee? Meet the 6’4″ Man Utd signing…