That should really be game over.

Max Sanders heads back a cross at the far post and Emre Tezgel blazes his volley over from close range.

Tezgel kicks out at the turf in frustration - he knows it should be 3-1 in Crewe's favour.

Luke Graham
Former Northampton Town defender on BBC Radio Northampton

I'm going to go back to having two strikers on the pitch because it pins them back.

Great cross from Burroughs, past everyone, and a great finish from Perkins, great contact from him.

He comes onto it at pace, a very hard technique, and the more bodies in the box, the more Mansfield have to come back.

It creates a different problem, and that's where the goal has come from, Tom Eaves in there occupying someone, that's the beauty of having two strikers.

Crewe continue to threaten, particularly on the left-hand side where Owen Lunt sets up Max Sanders for a drive that deflects over for a corner.

The ball is recycled and Reece Hutchinson whips it into the centre where James Connolly gets his head to it, but Shrewsbury manage to scramble clear.

The visitors' back line are under pressure - not least because they now have three defenders on yellow cards after Luca Hoole joined Will Boyle and Sam Stubbs in the book.

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Yet another relentless Mansfield attacking spell.

Nathan Moriah-Welsh sees his strike deflected out for a corner but the melee in the box lands several players on the ground scrambling for the ball and the call goes Northampton's way.

The home side breathe a sigh of relief but those nerves must not be going away any time soon based on how this game is going so far.

A good start from Leyton Orient as the two substitutes combine.

Sonny Perkins cushions the ball into the path of Charlie Wellens who drives one just wide from the edge of the area.

Sonny Perkins and Richie Wellens' son, Charlie, are on for Leyton Orient.

Josh Koroma and Azeem Abdulai have got the hook at half time.

There may have been a few more the Orient boss might have wanted to replace at the break...

Tom Eaves is making his return for Northampton.

He's missed the past seven league games but will need to do a job as he replaces Kyle Edwards

Right, you'd better finish munching that half-time pie - we're ready for the start of the second 45 minutes.

Plenty of time for things to change in all our featured games...

Luke Graham
Former Northampton Town defender on BBC Radio Northampton

They need more cohesion, when you look at Northampton's set up with the back five, and then that flat four, it leaves the transition from defence to attack really difficult.

Any time Mansfield get the ball with any time and space they look more dangerous and more fluid, they know what each other are doing, when they run in behind.

With Wheatley, you can't knock his work rate, but there's no one with him.

I'd like to see some form of change because at the moment it looks like Mansfield are on for their second.

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Breathless, baffling, brilliant.

Two long balls over the top saw Fred Onyedinma convert for Wycombe with Aaron Connolly equalising in between for the visitors.

Dan Casey opened his account in English football to stretch the home side's lead while Dom Ballard has had an effort cleared off the line for Orient.

Both goalkeepers have been cautioned for fouls - Will Norris when conceding the penalty and Killian Cahill for the Londoners when bringing down Onyedinma outside his area when he was clean through.

The latter was lucky not to see red.

Some mindbogglingly poor defending from Orient who just haven't dealt with simple long balls but they have threatened the home side on a number of occasions.

It's not over, but plenty for Richie Wellens to think about.

Almost a fourth and a hat-trick for Fred Onyedinma.

He's forced wide but still gets a shot on target which Killian Cahill has to save.

Cauley Woodrow then has a go from the halfway line which a backpedalling Cahill palms down.

A rocket from Rhys Oates gives dominant Mansfield the edge at the break.

Northampton began brightly but after Oates walloped in an opener following a fast break, it's been all the Stags.

They've had multiple chances to double their lead, while for the Cobblers their sights at goal have been few and far between.

Big recalibration required if the hosts want to get back into this.

Frustration so far for Colchester, who go close again through a Harry Anderson header late in the first half - but they're being held by Bromley as it stands.

Lively stuff and you wouldn't bet against further goals in the second half. Crewe have created a good deal more, but the visitors have threatened on the break and Josh Ruffels' first goal for them means we're all square.

We've got an extra three minutes at the end of a thrilling first half.

There's three more minutes.

The hosts will just be hoping their visitors don't find the net in that time.

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Tim Oglethorpe
BBC Radio Northampton Cobblers commentator

It was a run from just outside the six-yard box, he knows he should have done better.

He flicked it across goal and no one was able to get on the end.

McLaughlin knows he should have scored there, it was a chance in the six-yard box for Maris to get something on it as well.