Wrexham have to be careful in midfield because if you give the ball away you will get punished because McAtee and Berge in midfield for Sheffield United will cause problems.
Hello upset.
Grimsby of League Two have the early lead against their Championship opponents as Harry Clifton meets a ball into the box and sends a left-footed effort into the back of the net.
Perfect start by the hosts.
Almost the opener for the hosts as Promise Omochere gets his head to a cross but directs it wide of goal.