Jason Roy and Ollie Pope hit centuries as Surrey fight back against Essex
Somerset's Craig Overton takes hat-trick as they beat Notts by an innings
Lancashire defeat Hampshire by eight wickets at the Ageas Bowl
Notts stay up at Lancashire's expense by virtue of winning one more game
Yorkshire beat Worcestershire to finish fourth in Div One
Warwickshire are Div Two champions after win over Kent in Jonathan Trott's last game
Gloucestershire defeat Derbyshire by two wickets
Durham lose to Middlesex in Paul Collingwood's last game before retirement
Glamorgan beat Leicestershire despite 94 by number 10 Dieter Klein
Before the wickets start to fall in our eight matches, here's a bit of good news for Gloucestershire supporters.
Can their side complete a victory over Derbyshire today?
Australian Michael Klinger agrees a deal to return to Gloucestershire and captain the T20 Blast side next season.
Read MoreWorcs 340 v Yorks 417-9
A handy lead already for the White Rose, who are guaranteed Division One status next summer.
The Pears were forced on to the back foot in the final session of play on Tuesday - when Yorkshire plundered 203 runs, 171 of them in a ninth-wicket stand between Gary Ballance and Jack Brooks (82), after strike bowler Josh Tongue picked up a foot injury.
The hosts return to Division Two in 2019 but will hope to end the season on a high by prizing out the last wicket and building a second-innings lead.
Gary Ballance resumes unbeaten on 189 with last man Ben Coad.
Warwks 380 v Kent 167 & 38-1
They began this game level on points but Kent are a long way off threatening the Bears here after openers Will Rhodes and Dom Sibley both scored centuries for the hosts and their pace attack demolished Kent for 167 in the first innings.
Zak Crawley (21 not out) takes up the rearguard with nightwatchman Adam Riley.
Surrey v Essex - match resumes 10.30 BST
Image source, Rex FeaturesSurrey pace bowler Jade Dernbach believes they can save themselves from defeat by Essex despite trailing by 410 on first innings at The Oval.
The new champions have won 10 games and drawn three so far this summer and want to avoid ending the summer on a downer.
"The pitch has flattened out and it is certainly not over yet. We would love to go through the Championship season unbeaten," said Dernbach.
"It was very pleasing to see the way the team kept going throughout the day. Now we have to bat through the third day and then see where we are."
Nottinghamshire v Somerset - match resumes 10.30 BST
Image source, Rex FeaturesNottinghamshire head coach Peter Moores promised his team "won't hide" from their shortcomings after their Division One status was confirmed for next season despite having to follow-on against Somerset.
They have lost five of their last six games, but will stay up even if they are beaten again.
"It's a day of relief when you get over the line," said Moores.
"We won't hide from anything. It's been a hard slog these past six weeks but it's over the season and we have played some good cricket and got our points in the bank."
Ball-by-ball coverage from out BBC 5 live sports extra and BBC local radio teams as usual today. Choose a match from the links at the top of the page.
Image source, BBC SportHampshire v Lancashire - match resumes 10.30 BST
Hampshire batsman Jimmy Adams admitted he had a "wobbly bottom lip" as he walked out to bat against Lancashire on day two, the final innings of his first-class career.
The left-hander only scored 13, but said he was relieved not to "finish it with a pair" after his first-innings duck.
"You hope for a nice fairytale like Alastair Cook. You can't write it and you can't always get what you want," he said.
"I might be able to go down in history as the only man whose last scoring shot was a seven. I don't even remember ever seeing a seven before - and it made up over 50% of my innings."
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Warwickshire v Kent - match resumes at 10.30 BST
Warwickshire coach Jim Troughton has urged his side to keep their discipline as they look to wrap up the Division Two title against rivals Kent.
The visitors will resume on 38-1, needing another 175 to make the Bears bat again.
We've done really well to carve out a 200-run lead," Troughton told BBC Coventry & Warwickshire. "We've given ourselves an opportunity if we bowl with discipline and put them under pressure at each end.
"We've got to make Kent work for every single run. Kent have got to win the game which makes them quite dangerous. But it's a lot of runs to be in front on that wicket."
Here's a quick video rundown of today's weather, courtesy of Alina Jenkins.
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More detailed information is available at the BBC Weather website.
Worcestershire v Yorkshire - match resumes 10.30 BST
Yorkshire tail-ender Jack Brooks claimed a desire to avoid bowling was the incentive for his batting efforts on day two against Worcestershire at New Road.
He contributed 82 off 99 balls to a stand of 171 with Gary Ballance, who was 189 not out at the close.
"The main thing is I didn't want to bowl again. The longer I batted, I didn't have to bowl. That was going through my mind a lot when I was out there," said Brooks, who is playing his last game for the county before joining Somerset.
"It went my way. Guys bowled in my areas, so to speak. I could imagine it was quite entertaining to watch."
Image source, Rex FeaturesHampshire v Lancashire - match resumes 10:30 BST
Image source, Rex FeaturesRelegated Lancashire will be looking to finish off Hampshire today and at least end a disappointing season on a bright note.
Victory at Southampton could see them finish level on points with Nottinghamshire, but go down by virtue of having simply having won one game fewer.
"If I'm honest, for two out of eight teams to go down in the top division is tough," captain Liam Livingstone told BBC Radio Lancashire. "It creates pressure all the way through and there is no let-off though the season.
"Do I think we've been one of the two worst teams? No, I just think, when we've been bad we've been very bad, and it's ultimately cost us. Next year we are going to have to learn from what we've done."
After second day's play
Division One
Hampshire 187 & 178-8 v Lancashire 273
Hampshire lead by 92 with two wickets left
Somerset 463 v Nottinghamshire 133 & 115-3 (f/o)
Notts trail by 215 runs with seven wickets left
Surrey 67 & 88-1 v Essex 477-8 dec
Surrey trail by 322 with nine wickets left
Worcestershire 340 v Yorkshire 417-9
Yorkshire lead by 77 with one wicket left
Division Two
Derbyshire 184 & 157 v Gloucestershire 163 & 29-2
Gloucestershire need another 150 to win
Middlesex 121 & 255-2 v Durham 310
Middlesex lead by 66 with eight wickets left
Glamorgan 359 & 106-4 v Leicestershire 132
Glamorgan lead by 333 with six wickets left
Kent 167 & 38-1 v Warwickshire 380
Kent trail by 175 runs with nine wickets left
Result
Sussex 118 & 222 v Northamptonshire 171 & 172-4
Northamptonshire beat Sussex by six wickets
Two days to go in this summer's County Championship, and we have eight matches ongoing.
Champions Surrey are in a tight corner against Essex, with their unbeaten record on the line, but runners-up Somerset are looking good as they try to sign off with a win over Nottinghamshire.
In Division Two, Warwickshire are on top in their title decider against Kent, but can they finish the job?
All the action coming right up. Play starts at 10.30 BST.
Image source, Rex Features