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Is this a penalty for Rovers?

Long ball over the top is punched away by Ben Hamer in the Derby goal, then there's a clatter of bodies.

The referee looks like he's given a penalty but after checking with his assistant, gives a free-kick right on the edge of the area.

It was a foul by Graeme Shinnie on Sam Gallagher as he picked up the loose ball.

Chris Martin marching towards goal for Derby but Ryan Nyambe comes across to make an important tackle.

Blackburn need some inspiration here and have Elliot Bennett down the right, gets to the byline and pulls a ball back but it's forced behind off a blue sock last.

It's Martyn Waghorn from just outside the right post on his left foot.

Gets it around the wall and well pushed behind by Christian Walton diving to his right in the Rovers goal.

Half a chance from the corner but a shot comes in straight at Walton.

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As you were so far in the early stages of the second period.

Derby knocking the ball around with good purpose and then winning a free-kick 20 yards out for a foul on Jason Knight.

Back under way with Derby playing towards the end with their most vocal fans.

Derby bounce back out of the tunnel after that excellent opening 45.

As it stands, Blackburn make no progress on the play-off places - a win would send them sixth.

Also yesterday, Brentford reasserted their promotion credentials.

They produced a 5-0 demolition of Sheffield Wednesday to move above Nottingham Forest who were hammered at home to Millwall on Friday night.

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Yesterday in the Championship, Leeds United were the big winners.

They beat Huddersfield 2-0 to return to the top of the Championship.

West Brom were held to a 0-0 draw at Swansea.

Eric Steele
Former Derby and Man Utd goalkeeper on BBC Radio Derby

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Some of Derby's forward play has been of the highest calibre, and that's without their talisman Wayne Rooney.

It took Derby 8-10 minutes because Blackburn came to thwart and play on the break, but once Derby got that foothold in the game it opened up.

Chris Martin has led the line terrifically well and Derby are deservedly 2-0 up and it could have been three or four.

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No more than Derby deserve really, they have been completely dominant bar the opening 10 minutes.

Blackburn are very sleepy on this Sunday afternoon so far and need a serious rally after the break to get anything from this game.

Louie Sibley with a tremendous opener and then Chris Martin with a poachers' goal for the second.

Martyn Waghorn played in on goal, goes around the goalkeeper, hooks a left foot effort towards goal and it comes back off the angle of the left post!

So close to a third for Derby.

Eric Steele
Former Derby and Man Utd goalkeeper on BBC Radio Derby

That's a real team goal and came from not giving the ball away.

It was a very good finish from a narrow angle and Derby are deservedly 2-0 up.

Almost a second for the hosts.

Craig Forsyth on the left slides a ball towards Martyn Waghorn making a run across the penalty area.

His first time shot is well saved down low by Christian Walton.

Derby extremely comfortable so far, dominating possession, trying to use their full-backs and picking passes through midfield as well.

Blackburn can't get the ball.

Blackburn try to respond and come forward up the right with good purpose.

Ben Brereton in space for a cross but it's horribly over-hit.

Jeers from the Derby fans with Brereton having played for Nottingham Forest.

Eric Steele
Former Derby and Man Utd goalkeeper on BBC Radio Derby

How good will he feel? What a strike! He will remember that for a long time.

Derby have not really been in this game. They are now on the front foot.

Lewis Travis trips Louie Sibley in midfield and he goes into the notebook.

Shout for a Derby penalty as Max Bird plays it to Martyn Waghorn right side of the area.

He tries to go on the outside and goes down but the referee waves the appeals away.