All smilespublished at 19:40 Greenwich Mean Time 16 February 2018
Leicester v Sheffield United (19:45 GMT)
Looks like Riyad Mahrez is over his transfer upset...
Vardy scores only goal as Leicester beat Sheff Utd
Willian (2), Pedro & Giroud with Chelsea goals v Hull
Caballero saves Meyler penalty early in second half
Gary Rose
Leicester v Sheffield United (19:45 GMT)
Looks like Riyad Mahrez is over his transfer upset...
Leicester v Sheffield United (19:45 GMT)
Leicester's Riyad Mahrez starts for the first time since his deadline day move to Manchester City fell through.
Captain and defender Wes Morgan is also in the Leicester first XI for the first time since New Year's Day as Claude Puel makes six changes to the side beaten by Manchester City at the weekend.
Danny Simpson, Vicente Iborra, Wilfred Ndidi and Kelechi Iheanacho also come into the team in place of Aleksandar Dragovic, Danny Fuchs, Marc Albrighton, Fousseni Diabate, Matty James and Adrien Silva.
Leicester: Schmeichel, Simpson, Morgan (c), Maguire, Chilwell, Ndidi, Iborra, Mahrez, Gray, Iheanacho, Vardy.
Subs: Hamer, Dragović, Fuchs, James, Silva, Albrighton, Diabaté.
Meanwhile, Sheffield United manager Chris Wilder also makes six changes from the line-up that beat Leeds 2-1.
In comes John Lundstram, Clayton Donaldson, James Wilson, Danny Lafferty, Samir Carruthers and Jake Wright.
Billy Sharp and Ched Evan drop to the bench with Leon Clarke ill, Fleck suspended; and Ryan Leonard, Lee Evans and Ricky Holmes all cup-tied.
Midfielder David Brooks, who has not featured since early December, is fit enough for the bench.
Sheffield United: Blackman, Baldock, Stevens, O'Connell, Basham, Lundstram, Donaldson, Wilson, Wright, Lafferty, Carruthers.
Subs: Sharp, Stearman, Duffy, Henneghan, Eastwood, Evans, Brooks.
Leicester v Sheffield United (19:45 GMT)
There's a couple of Sheffield connections within the Leicester City squad.
Jamie Vardy is a boyhood Sheffield Wednesday fan while Harry Maguire made his first-team debut for Sheffield United, playing 166 games for them before joining Hull in 2014.
"Sheffield United is a former club of Harry. Sheffield Wednesday was former club of Jamie. It is difficult to manage this in the squad," joked Foxes boss Claude Puel.
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Leicester v Sheffield United (19:45 GMT)
These two sides have already met in a cup competition this season with Leicester thumping Sheffield United 4-1 in the second round of the EFL Cup back in August.
Leicester are now unbeaten in five meetings with the Blades in all competitions (W3 D2).
Leicester v Sheffield United (19:45 GMT)
Could this be Leicester's year in the FA Cup?
Unlike Chelsea, Manchester United, Tottenham and Manchester City, they don't have other competitions to have to think about with the Foxes comfortable in midtable in the Premier League.
That means they can pretty much put all their eggs in an FA Cup shaped basket.
Dark horses?
Chelsea v Hull (20:00 GMT)
Jermaine Jenas
Former Tottenham midfielder on BBC Radio 5 live
I was devastated for Ryan Mason. He was an almost old-school player – respectful, hard-working and ambitious. He was hugely liked at Tottenham, and a lot of people in the game were upset that he couldn’t go on to do what he set out to do.
Chelsea v Hull (20:00 GMT)
The Blues have scored 127 goals in 44 FA Cup games at Stamford Bridge since last failing to score at home in March 1999 (averaging 2.9 goals per game).
Chelsea v Hull (20:00 GMT)
The video assistant referee will be used at Stamford Bridge tonight.
Opinions on its implementation so far have been a mixed bag, will we see any controversial moments tonight?
Leicester v Sheffield United (19:45 GMT)
Mark Lawrenson
BBC football expert
Sheffield United are at the right end of the Championship and will be eyeing the play-offs. They have had a little bit of a sticky patch after a great start. The Blades are a very difficult side to play against - they are in your face and don't give you time on the ball, and if Leicester are not at it they may get a shock. However, because of the extra quality I think Leicester will win.
Lawro's prediction: 2-1
Lawro is up against Tekkerz Kid for this weekend's FA Cup predictions.
Tekkerz Kid - real name Lorenzo Greer - is an eight-year-old footballer from Birmingham whose videos include skills tutorials and kit reviews, and whose channel has more than 900,000 subscribers.
Watch his predictions in the above video.
Chelsea v Hull (20:00 GMT)
Mark Lawrenson
BBC football expert
Chelsea can blow hot and cold. They won comfortably against West Brom on Monday but that comes off the back of a 4-1 defeat by Watford.
Hull have massive problems as everybody knows and I think Chelsea will win this one.
Lawro's prediction: 2-0
With another mouthwatering weekend of FA Cup action in the offing, as ever we want to hear from you. Where do you see the upsets coming?
Get in touch using #bbcfacup, or text to 81111 (UK only) - if texting, please include your name.
Chelsea v Hull (20:00 GMT)
Chelsea
Quote MessageWe have in front of us two weeks that are very tough. It's right to have a programme, to have a plan, to face these two tough weeks in the right way. At the same time, as you know very well, we want to try to go through to the next round in the FA Cup.
Antonio Conte, Chelsea manager
Chelsea v Hull (20:00 GMT)
Chelsea hand a first start to new signing Emerson Palmieri as Blues boss Antonio Conte makes six changes.
Hull City, meanwhile, make seven changes. Full team news to follow.
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Chelsea v Hull (20:00 GMT)
I watched this for the first time yesterday and the cringe is still just as strong today. Awful stuff.
Can you think of, or have you seen, anything in football that tops this in the awkward stakes? Let us know via #bbcfacup or text in on 81111 (UK only)
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Leicester v Sheffield United (19:45 GMT)
BBC Radio 5 live commentary is on Chelsea versus Hull but you can also listen to Leicester against Sheffield United, with that game on BBC Radio 5 live sports extra.
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Leicester v Sheffield United (19:45 GMT)
Riyad Mahrez does indeed start for the first time since his deadline day move to Manchester City fell through.Captain and defender Wes Morgan is also in the Leicester first XI for the first time since New Year's Day.
Full team news to follow.
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Ryan Mason will be on BBC Radio 5 live tonight from 19:00 GMT during the Friday Football Social.
There will also be live commentary of Chelsea versus Hull from 20:00 GMT.
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Chelsea v Hull (20:00 GMT)
This game comes after the sad news earlier this week that Hull midfielder Ryan Mason has been forced to retire at the age of 26 as a result of the fractured skull he suffered against Chelsea in 2017.
Mason, who won one cap for England in 2015, had to have surgery after a clash of heads with defender Gary Cahill.
His decision to retire follows "the guidance of numerous world-renowned neurologists and neuro surgeons".