It's the Blades' turn to threaten.

Max Lowe and Oli McBurnie are both sniffing but neither can force it in before the home side smuggle it away.

Three minutes of stoppage time at the end of the first half at Ewood Park.

Can West Brom strike before the break?

Could we have a late winner in this one?

The Boro fans are roaring their side on to find one.

Neil Maddison
Former Middlesbrough midfielder on BBC Tees

You hear a few moans when the corner goes short.

But Ryan Giles fires one back stick and Darragh Lenihan puts it back into an area for Chuba Akpom - he's level with the last defender.

Boro are back in it and it gives them that little bit of belief.

Sheffield United bring on striker Oli McBurnie for forward Iliman Ndiaye.

McBurnie hasn't scored in almost a year.

Middlesbrough aren't happy that Blades midfielder Oli Norwood is down needing some treatment as they look to take a quick free-kick.

The home fans think there's some gamesmanship from the former Northern Ireland international.

Jed Wallace puts a 25-yard shot a yard or so wide of the Blackburn post.

Best effort we've had for a while with five or six minutes to go.

West Brom's John Swift goes into the book for a challenge on John Buckley.

Nothing comes of the free kick as the pace starts to slow a bit, as the heat begins to take its toll.

Middlesbrough go to their bench for a third time.

Defender Anfernee Dijksteel is off and forward Duncan Watmore is on as the home side look to try and rescue something from this.

Image source, Getty Images

We've got around 10 minutes of the first half left at Ewood Park and Steve Bruce will be the happier of the two managers - the hosts have yet to have a shot, let alone one on target.

Jed Wallace is starting to have a bit more influence on the game for West Brom.

Boro push for a leveller.

Jonny Howson's header across the box just needs someone to touch it in but the Blades get it away to safety.

Free kick for West Brom but Grady Diangana sends it into the stands. A poor effort there.

Mark Drury
BBC Tees

Iliman Ndiaye is totally free, gets the ball and when Ryan Giles sees the replay he'll realise there was nobody in a white shirt within 10 yards of him.

He thought he had to clear it and he got it horribly wrong - he shanked it into the back of the net.

That Ryan Giles own goal is immediately followed by a drinks break.

Boro just need to regroup and go again.

They've got a shade over 20 minutes to try and rescue something from this one now.

Corner for West Brom that's flicked away at the near post.

Jake Livermore gives away a foul with a challenge on Lewis Travis and the danger for Blackburn passes.

Coming up for 30 minutes on the clock at Ewood Park.

Neil Maddison
Former Middlesbrough midfielder on BBC Tees

That's great feet from Alex Mowatt - he springs into action.

I love to see a ball slapped in with a bit of pace - Riley McGree has bodies around him and he gets under it, and it goes over the bar.

Callum Brittain has just put a stonking challenge in on Grady Diangana - big cheers from the Ewood Park faithful.

Starting to get a bit tasty here.