Chadli scores with superb 30-yard free-kick
Mahrez equalises with smart 12-yard finish
Leicester remain in bottom three
Eighth-tier Hyde drawn at home to MK Dons in FA Cup first round
Exeter host eighth-tier Heybridge Swifts
League One leaders Wigan host Harry Kewell's Crawley
Charlton host Truro, first Cornish team in first round since 1969
Almost time for kick off.
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Leicester v West Brom (20:00 BST)
I'd be fascinated to see the sales figures for the Craig Shakespeare-Tony Pulis half-and-half scarves...
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Mark Lawrenson
Former Liverpool defender
Image source, .I am sure Leicester's results will improve soon, and I am not too worried about West Brom under Tony Pulis either.
Prediction: 2-0
Leicester v West Brom (20:00 BST)
Image source, Getty ImagesThe way this season has started for West Brom is not too dissimilar to how they started the 2016-17 campaign.
A reasonable start was followed by a winless run before a 2-1 win at Leicester in early November kickstarted their campaign as they went on to win three of their next five games.
Tony Pulis will be hoping for history to repeat itself tonight.
Leicester v West Brom (20:00 BST)
Image source, Getty ImagesJamie Vardy missed England's last two World Cup qualifiers because of a hip injury but he's fit and raring to go for the Foxes tonight.
The striker has scored five of Leicester's nine goals so far this season and has scored in three of his last five league games against West Brom, although none of them were at the King Power Stadium.
Leicester v West Brom (20:00 BST)
A worrying omen for Craig Shakespeare...
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To watch Conor McNamara and Chris Waddle's preview video, you may need to click the link.
Leicester v West Brom (20:00 BST)
Conor McNamara
BBC Radio 5 live commentator
Image source, .Since August, no Premier League team has earned fewer points than Leicester.
Undoubtedly Craig Shakespeare has had a tough run of opponents - his defeats have all been to teams that finished in the top five last season. But it's now five league games without a victory and Shakespeare knows that the last time the club went six without a win in the top flight they ended up sacking title winner Claudio Ranieri.
West Brom have also not won in their last five league games, but somehow Tony Pulis is working his magic to keep them mid-table, and the Baggies have never lost at The King Power Stadium.
Leicester v West Brom (20:00 BST)
Three changes to the Leicester side that started the goalless stalemate at Bournemouth on 30 September.
Striker Kelechi Iheanacho makes only his second Premier League start for the Foxes while Riyad Mahrez and Spanish midfielder Vicente Iborra return to the side.
Andy King, Demarai Gray and Shinji Okazaki make way.
Leicester: Schmeichel, Simpson, Morgan, Maguire, Fuchs, Mahrez, Iborra, Ndidi, Albrighton, Iheanacho, Vardy.
Image source, .Three changes too for West Brom from the team that started the 2-2 draw with Watford on 30 September.
Keeper Boaz Myhill starts in place of Ben Foster, while Nacer Chadli and Jake Livermore return in place of Matt Phillips and Chris Brunt. Foster is out with a knee injury.
West Brom: Myhill, Dawson, Hegazi, Evans, Gibbs, Livermore, Krychowiak, Barry, Rodriguez, Rondon, Chadli.
Image source, .Leicester v West Brom (20:00 BST)
Right, time to switch attention to tonight's Premier League game.
First up, the team news in full...
Image source, Getty ImagesLast year, non-league Eastleigh and Macclesfield claimed notable first-round scalps, beating Swindon and Walsall respectively.
Who will this year's giantkillers be?
There was a huge cheer at Hyde United after they drew MK Dons at home. Potential for an upset there.
Here's a reminder of the 40 ties.
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Image source, .And that completes the draw.
The first round ties will take place over the weekend of 3-6 November.