Well then - we're almost ready for the main event.

Strap yoursleves in, it'll be lively for sure.

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Image source, Rex Features

Forest Green Rovers will clinch promotion today if:

• They beat Oldham AND Mansfield lose to Carlisle AND Northampton, Bristol Rovers and Sutton all fail to take maximum points.
• However, a win (or other results going in their favour) does make certain of a play-off place at least.

There's also plenty of potential twists and turns in the League One play-off race to keep an eye on as well, including Plymouth at home to Sunderland.

Already one down in League One, but will today be the day that other teams follow them?

Image source, BBC Sport

• Doncaster will drop to League Two if they lose at Shrewsbury.
• If they draw, they will need Gillingham's game with Fleetwood (the two sides directly above them) to finish in a draw to maintain their slim hopes of survival.
• AFC Wimbledon could also go down if they lose to Wycombe, Gillingham win and Morecambe get at least a point against Portsmouth.

So we've marked your card on what to look for in the Championship today - how about who might drop down from League One?

If you've just joined us and missed our earlier Championship fixture, here's how Huddersfield moved closer to second-placed Bournemouth with a win at Middlesbrough.

Image source, Getty Images

Following Huddersfield's impressive win at Middlesbrough, Luton cannot end the day higher than their current fourth place.

But defeat in the Welsh capital would leave them looking over their shoulders at events elsewhere. But let's be frank, the Hatters have no right to be in this position, so they should try to carry that positive devil-may-care attitude with them on to the field. It's got them into this position, so why not carry on?

Cardiff are 17th, with nothing to play for and two wins and two losses from their last four games, so it remains to be seen what type of opposition they provide to Nathan Jones' men this afternoon.

Image source, Getty Images

With two points and not a single goal from their past three matches, Bournemouth are not exactly making a convincing case for their promotion credentials.

Scott Parker's team remain second behind Fulham, but boy are they making hard work of going up with the Cherries collecting only three wins from their past nine games.

It is not going to be easy this afternoon against a Coventry team boosted by great wins at Fulham and Birmingham and only three points off Sheffield United in sixth.

With the Blades kicking off later at Bristol City, a win at the CBS Arena would move Mark Robins' fearless Sky Blues level on points.

That's the three crunch games to keep an eye on down at the bottom end, but what about matters up the other end of the table?

Image source, Getty Images

Wayne Rooney and Derby County have been battling the odds all season given their financial woes and 21-point deduction.

Without that, they would be 17th and almost safe. Instead, they are 22nd and need a spectacular finish to avoid what has looked like an inevitable relegation for months.

But they beat Champions-elect Fulham on Good Friday and have given most teams a game all year, certainly at home. However, it is just two wins from 21 on their travels and they badly need three points from their game at QPR this afternoon to keep their survival hopes going.

Mark Warburton has stated QPR must get to 72 points to have any chance of the top-six, so that means four wins out of four. It should make for a fascinating encounter.

Image source, Getty Images

Paul Ince was the surprise choice to take over as interim manager at Reading following the departure of Veljko Paunovic, but four wins from his 10 matches have given them a nine-point cushion over the bottom three with only four matches remaining.

The Royals still need six points as things stand to stay up, but one win would probably do it. Their first chance is this afternoon at home to Swansea. The Swans are comfortably in mid-table with little jeopardy on the result for them.

But a run of 14 points from six games is their best spell of the season. That run has included wins over Peterborough and Derby and the Good Friday draw with Barnsley. Those three teams will be desperate for a favour from Russell Martin's Swans this afternoon.

Image source, Rex Features

League matches don't come much more decisive than this.

Both Barnsley and Peterborough begin this one deep in the bottom three and with their survival hopes hanging by a thread.

If Barnsley lose and Reading win, the Reds are relegated. If Posh fail to match Reading's result at home to Swansea, they will return to League One at the first attempt. While a draw may not relegate either today, it really is win or bust.

Both sides have been in trouble all season long, but can either of them find that bit of inspiration - or luck - that could keep them alive for a few more days or even be the start of a great escape?

"Now pay attention 007!" as Q says in the James Bond films - it's time to crunch some numbers and let you know what the afternoon could hold in store for those in and around the Championship relegation zone...

Image source, BBC Sport

• First thing's first - Barnsley will be relegated if they lose and Reading win.
• Peterborough United will be relegated if they fail to match Reading's result.
• Derby County will be relegated if they fail to match Reading's result.

Set to be a very nervy afternoon in store in the Championship, particularly down the bottom end, let's explain why...

• Carlisle United v Mansfield Town
• Colchester United v Bradford City
• Crawley Town v Walsall
• Forest Green Rovers v Oldham Athletic
• Northampton Town v Harrogate Town
• Port Vale v Bristol Rovers
• Rochdale v Hartlepool United
• Salford City v Barrow
• Scunthorpe United v Stevenage
• Sutton United v Newport County
• Swindon Town v Leyton Orient
• Tranmere Rovers v Exeter City

• AFC Wimbledon v Wycombe Wanderers
• Bolton Wanderers v Accrington Stanley
• Gillingham v Fleetwood Town
• Lincoln City v Cheltenham Town
• Morecambe v Portsmouth
• Plymouth Argyle v Sunderland
• Shrewsbury Town v Doncaster Rovers

• Barnsley v Peterborough United
• Blackburn Rovers v Stoke City
• Blackpool v Birmingham City
• Cardiff City v Luton Town
• Coventry City v Bournemouth
• Millwall v Hull City
• QPR v Derby County
• Reading v Swansea City
• Bristol City v Sheffield United (17:30 BST)
• Nottingham Forest v West Bromwich Albion (20:00 BST)

Right then - one match down, but plenty more still to come.

Let's build things up for you to the main slice of action in all three divisions in our 15:00 BST kick-offs...

And what does that result mean for Huddersfield and their hopes of perhaps still sneaking into the top two?

Image source, BBC Sport

They move to within a point of Bournemouth in second.

The Cherries might have three games in hand, but their run-in is far from straightforward, starting at Coventry City in the next 30 minutes or so.

Boro meanwhile have dropped out of that picture to eighth and could finish the day even further adrift.

Image source, Rex Features

Job done for Huddersfield!

Their third win in four games and Boro's third defeat in four.