The Championship side are looking comfortable at the moment.

Boro look more likely to get a third than let Bradford back in with Sam Silvera putting a shot into the side netting.

Another chance for Luton!

Ryan Giles crosses from the left, Elijah Adebayo gets his head on it but it's too close to Viljami Sinisalo and, despite a slight fumble, he keeps it out.

Soon afterwards, Amari Bell lets fly from distance and sends the ball out of the stadium!

Wolves are causing a threat from set pieces and Santiago Bueno heads down from a right-wing corner, it causes a bit of a goalmouth scramble but the hosts survive...just.

Casemiro scored one earlier and his ball to provide the assist there for Anthony Martial was a beauty!

Mansfield, looking to reach the fourth round of the League Cup for only the second time, really should've equalised.

A shot is over the goalkeeper and may have been going in only for Mansfield's Calum Macdonald to try to get the final touch.

Any header down and it's a goal but, from almost under the crossbar, he manages to send it over the top. What a miss.

Chance for Luton but Elijah Adebayo puts a close-range effort wide.

Less than 20 minutes for the Premier League side to find a goal.

The prospect of a penalty shootout is growing with very minute that goes by...

Michael Brown
Former Manchester City midfielder on BBC Radio 5 Live

Can Salford test Burnley or get a strong ending from it instead of playing it out and thinking the game has gone?

That is how it feels at the moment.

Burnley are going to wait and see if Salford commit and they can just pick them off.

Emlyn Begley
BBC Sport at Peninsula Stadium

This game could be best described as still happening.

Massive chance for Sutton!

Vale can't get the ball away following a corner and Aiden O'Brien turns to fire an effort against the bar. Desperate, Vale hack clear.

Clearly, nobody will be getting carried away at Manchester United, but this is a positive step in the right direction so far from ERik ten Hag's side.

If they can complete the job, with players making a return from injury they'll be delighted.

Best chance of the match for the League One side!

Demetri Mitchell goes tearing down the right wing, bursts into the box and goes for goal from a tight angle.

Tim Krul makes a good save but the ball comes out for Kyle Taylor and he fires wide.

Simon Stone
BBC Sport at Old Trafford

Image source, Getty Images

Mason Mount has gone off, meaning Victor Lindelof goes to left-back and Sofyan Amrabat into midfield alongside Casemiro.

Manchester United will hope Mount's absence is not injury related.

Erik ten Hag has emerged almost 90 seconds after the restart.

Brent Pilnick
BBC Sport at St James Park

Exeter City should be ahead.

Demetri Mitchell did well to dispossess Joe Johnson and flew down the right wing before having a close-range shot stopped by Tim Krul.

The ball fell to Kyle Taylor but the Exeter midfielder could not find the target.

It's got lively here at St James Park with 30 minutes to go.

Back under way here. And Victor Lindelof is indeed on for the home side, replacing Mason Mount.

Marc Guehi is on for Palace, with Jesuran Rak-Sakyi withdrawn.

Good run from Lewis O'Brien down the left for Middlesbrough.

He weaves his way into the box and gets a shot away but Harry Lewis gets a strong hand to it to keep it out.

Simon Stone
BBC Sport at Old Trafford

Manchester United defender Victor Lindelof is stripped, warming up and ready to come on.

An hour gone and it's still level at St James Park. Exeter are more than holding their own and will be starting to believe they can cause a big upset.