Charlie McNeill comes close to getting one back for the visitors with a shot which looks destined for the back of the net until a vital intervention from Kellen Fisher denies him.

Coventry's Jay Dasilva is cautioned for a foul.

It is now Sheffield United's turn to try to respond.

Bit of silliness as Jay Stansfield bundles into Millwall's Ryan Leonard on the touchline and ends up in a heap, but ref Dean Whitestone is happy with a stern word and keeps his cards in his pocket this time.

Steve Ogrizovic
Ex-Coventry City goalkeeper on BBC CWR

I said that Sheffield United don't look too good at the back.

The cross takes a wee deflection, it's a wonderful header and Cooper had no chance. That's exactly where you want Rudoni, right in the middle of the box.

It's great that Coventry are in front, but you do think there's going to be more goals in this game.

Josh Coburn is heading off for the hosts on the hour, with Mihailo Ivanovic coming on, and surely hungry to get in on the act.

Tommy Doyle's first real involvement is to nick the ball away from Femi Azeez and then be brought down from behind by the Lions man, who has been in inspired form tonight.

Alex Neil won't want to see his side end without 11, that's for sure.

Steve Ogrizovic
Ex-Coventry City goalkeeper on BBC CWR

Coventry are going to have to sharpen up defensively otherwise Sheffield United could score again.

There have been signs that Sheffield United are nervous and it's a sign for Coventry going forward.

If they can remain focused and disciplined they've still got an opportunity to go and score more goals.

Tommy Doyle has come on for August Priske for the visitors in the wake of that red card. Damage limitation time for Blues, who are actually unbeaten in five on the road across league and cup.

Goalscorer Paris Maghoma is not out for the second half, with Anis Slimane coming on for the hosts, while Dominic Iorfa has not reappeared for the Owls, with Joe Emery replacing him.

Emma Jones
BBC London

Things are going from bad to worse for Birmingham City, but the Millwall fans are enjoying their evening here.

'No one likes us we don't care' rings around The Den. What a different atmosphere it is to the game against Portsmouth on Saturday.

From bad to worse...

Jhon Solis, already on a booking, overruns the ball and lunges in on Casper de Norre in midfield. Nailed on yellow card and the Colombian has left his side to play the final 40-odd minutes a man short.

Steve Ogrizovic
Ex-Coventry City goalkeeper on BBC CWR

You can't say they don't deserve it. Coventry were hanging on towards the end of the first half.

O'Hare is given too much space, Thomas gets beat too easy there, and there's nothing Latibeaudiere can do.

It's a poor goal to concede.

The Lions are not letting up.

They have begun the second half, if anything, more furiously than they ended the first, and are popping it about, spinning and playing balls into space round blind corners with aplomb.

You'd never know they were stunned at home by lowly Pompey just four days ago.

Darren Carter
Ex-Birmingham midfielder on BBC Radio WM

It just hasn't come off for Osman, let's hope Demarai Gray can have a better time of it.

If we get him the ball, could he be that attacking intent that they lacked in the first half?

We need to see a reaction from Blues in this second half.

Stoke dominant but pegged back on the stroke of half-time.

Jamie Cumming was a busy boy in the Oxford goal before finally being beaten by Lamine Cisse.

But Oxford have grabbed a lifeline with Ciaron Brown's equaliser.

While Stoke and Oxford prepare for an orange slice and an earnest chat, the second half is getting under way at The Den, with Bramall Lane and Carrow Road to follow shorty.