Simon Stone
BBC Sport at the bet365 Stadium

Image source, Getty Images

This game is definitely simmering.

Roberto De Zerbi was furious with referee Paul Tierney even before Facundo Buonanotte got his yellow card.

Then new Stoke boss Steve Schumacher was frustrated at Tierney denying his side an advantage when he gave them a foul on halfway.

The respective supporters have picked up on the tension. This could get lively in the second half.

The camera shows a load of Gillingham fans leaving, although surely that's for their half-time refreshments etc.

Rachel Brown-Finnis
Ex-England goalkeeper on Final Score

Chesterfield are really putting Watford on the back foot. They're passing through the thirds. They're playing top class football and hunting in packs in midfield.

Image source, Getty Images

Michael Beardmore
BBC Sport at St Mary's

Saints should be out of sight really but Sekou Mara is not having a day to remember.

Having blazed over a bit of a sitter from inside the six-yard box, the French forward then ignored a wide-open Ryan Fraser shortly after.

And Walsall are starting to come back into it - Tom Knowles and Isaac Hutchinson have both gone close to an equaliser for the Saddlers in the past five minutes.

Good work from Facundo Buonanotte, who spins in the box and stabs an effort towards the right post. It trickles just wide.

Image source, Getty Images

National League side Eastleigh are done to 10 men.

The referee has decided to send George Langston off for an elbow as he challenges for a header.

He looks gutted, and a little bit surprised.

Eastleigh are looking to try and reach the fourth round for the first time.

Good refereeing.

Facundo Buonanotte gets a free-kick for a shirt tug but he gestures for a yellow card for his offender and referee Paul Tierney won't have that.

It means Buonanotte gets a yellow card himself.

Image source, PA Media

Championship top goalscorer Sammie Szdomics has pulled Blackburn level against League One Cambridge again.

Blackburn have gone behind twice and Szdomics has twice pulled them level.

Quite the game.

Image source, Reuters

Bournemouth look like they have got a bit more control now.

Luis Sinisterra might have done better to pass there, but he chooses to go alone and blasts the ball over the crossbar.

Ki-Jana Hoever curls one in from the right and Wesley is unmarked but heads it straight at goalkeeper Bart Verbruggen. That was a chance!

Jan Paul van Hecke tries to pick out Evan Ferguson with a ball over the top but it bounces into Daniel Iversen's arms.

Pervis Estupinan is then taken out by Mehdi Leris in the corner flag at the other end.

Great reaction stop from Sheffield United keeper Wes Foderingham to keep out Oliver Hawkins' header - although it wouldn't have counted because of offside, not that the keeper knew that.

Postpublished at 15:33 Greenwich Mean Time 6 January

15:33 GMT 6 January

Stoke 1-0 Brighton

Lewis Baker turns away from Evan Ferguson but then runs into Joao Pedro.

He's hurt himself in the process and needs treatment.

Gillingham are playing fine here but they're not troubling Sheffield United at all.

Stephen Warnock
Former England and Liverpool defender on Final Score

Image source, Getty Images

It's one of those strikes that's hit into the ground and it picks up pace as it goes past the goalkeeper.

Blackburn will be so disappointed to concede right after scoring.

Ben Wilmot has his arms over Pascal Gross but referee Paul Tierney plays advantage.

Gross' shot is blocked and he's annoyed he didn't get the free-kick.

Image source, Getty Images

The upset is on!

There are 63 places between Championship Watford and National League Chesterfield.

The visitors get loads of space and a cross picks the unmarked Joe Quigley, who nods home from four yards.

Spitfires boss Paul Cook looks calm on the touchline at the moment.

A big derby win for Eddie Howe's side earlier today.