By Matt Badcock

HEROES: Wrexham stunned Coventry in the third round WHEN you’ve masterminded as many cup upsets as Phil Parkinson has, you’re well placed to give an expert opinion on what your Wrexham side need to show against Sheffield United this afternoon. The Red Dragons boss famously took Bradford City to the League Cup final in 2013 and followed that up with the then-League One Bantams shocking Premier League Chelsea and Sunderland in the FA Cup the next season. Roared on by 4,500 fans at Coventry City, Wrexham added a Championship scalp to their own illustrio...