QPR face a tricky test as they take on the Championship's surprise package, Sheffield United at Bramall Lane.
Despite only being promoted last term, the Blades made an outstanding start to life in the Championship, occupying top spot when the sides met at the end of October.
Although they've gone off the boil, the Blades still sit eighth in the league, with a real chance to make the top six come the end of the season?
But who are the key players to watch out for this evening? We take a look at Sheffield United's star men.
The defender has been Mr Consistency for the Blades on their return to the Championsip.
O'Connell has been an ever-present for Chris Wilder's side and his commanding presence in both penalty areas and will be crucial to ensuring that they keep out the threat of in-form target man Matt Smith.
The 32-year-old has made a successful career for himself in the football league, and will be delighted to have a chance at challenging for promotion to the Premier League.
Duffy has contributed one goal and eight assists for his side this term, and is certainly one of the main creative forces in an attacking Blades team.
The striker has reached new heights this season as he vies for the Championship golden boot.
Clarke has scored 15 goals this term, the second-highest in the league and QPR will be hoping that their former striker doesn't get one over them at Bramall Lane.
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