Wins for Kent, Derbyshire and Lancashire
Kent's Jordan Cox (238*) & Jack Leaning (220*) put on 423
Record partnership for any wicket for Kent who end on 530-1
All 18 counties split into three regional groups of six
Each side will play five games
Two teams with most points contest five-day final
Notts 355 v Yorkshire 264 & 16-1
Slightly worrying this for Nottinghamshire as Jake Ball leaves the field clutching his side.
The bowler is replaced in the attack by Peter Trego.
Ball took 1-41 from his 14 overs in the first innings, let's hope it's nothing too serious.
Kent 379-1 v Sussex 332
It's relentless run scoring at Canterbury.
Jordan Cox (180*) and Jack Leaning (138*) have already added 41 runs this morning.
Their second-wicket stand is up to 272.
Durham 180 v Lancs 295-9
After a minor delay, Lancashire are closing in on a third batting point against Durham.
Tom Bailey has smashed his way to 28, as Lancashire lead by 155 runs with one wicket remaining.
Worcestershire 455-8 v Glamorgan 189-4
It's an excellent start for Worcestershire and captain Joe Leach.
The paceman gets opposite number Chris Cooke without scoring for his second wicket in as many overs.
Bresnan c Roderick b Higgins 38 (Gloucestershire 210 v Warks 241-9)
And as soon as we mention him, Tim Bresnan departs.
The former Yorkshire player nicks it to keeper Gareth Roderick off the bowling of Ryan Higgins who now has three wickets in the match.
Gloucestershire 210 v Warks 241-8
Tim Bresnan has helped Warwickshire extend their lead against Gloucestershire passed 30.
The all-rounder is now on 38, joined at the crease by number nine Craig Miles who has eight.
Worcestershire 455-8 v Glamorgan 185-3
Glamorgan have just lost Kiran Carlson. The number three edged Pears skipper Joe Leach to slip to fall for 79.
Notts 355 v Yorkshire 264 & 11-1
Jonny Bairstow's already off the mark with a fine pull shot off Zak Chappell for four.
It was only five years ago when Bairstow and his partner Adam Lyth were playing an Ashes test here at Trent Bridge together.
That was the same match Stuart Broad took 8-15.
How time flies.
Browne c Smith b Finch 4 (Essex 262 & 22-1 v Surrey 187)
That's the early wicket Surrey wanted.
Nick Browne wafts at one from Adam Finch outside off stump and tickles the ball behind.
Middlesex 252 v Hants 292-8
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It's just been confirmed that Liam Dawson is out for the season.
The England all-rounder was stretchered from the field on day two after suffering the injury while batting.
Meanwhile, Hampshire have just lost Lewis McManus for 16 and are eight down at Radlett.
Tweet using #bbccricket
Image source, Rex FeaturesAs always, you can have your say by tweeting us using #bbccricket
Yesterday we found out that Ryan ten Doeschate is the second oldest player to have made an appearance in the Bob Willis Trophy.
Who knows what we'll discover together today? A world of possibilities awaits.
Kohler-Cadmore c Carter b Chappell 0 (Notts 355 v Yorkshire 264 & 4-1)
Tom Kohler-Cadmore is out for a duck caught by Matthew Carter at second slip off the bowling of Zak Chappell.
Number three Jonny Bairstow comes out to face in just the second over.
A big score needed by the keeper both for his England prospects and Yorkshire's hopes of saving this match.
Image source, Rex FeaturesWorcestershire 455-8 v Glamorgan 181-2
It's another steaming day at New Road on what is proving to be a flat deck.
Glamorgan begin day three 274 behind with Kiran Carlson and Billy Root both having passed 50.
Notts 355 v Yorkshire 264 & 4-0
A perfect start for Yorkshire as Jake Ball's opening delivery is glanced to fine-leg for four by Adam Lyth.
The visitors trail by 87 in that one.
Middlesex 252 v Hants 283-7
They're also under way at Radlett where Hampshire hold a small lead with three first-innings wickets remaining.
However, it looks unlikely Liam Dawson will feature in the match again after damaging his ankle while batting yesterday.
Lewis McManus and James Fuller are batting for Hants.
Durham 180 v Lancs 284-9
Some showers this morning means Durham's fixture with Lancashire will now start at 11:15.
We'll get those overs back at the end of the day though.
A reminder, Lancs will begin day three on 284-9, leading by 104, with Tom Bailey (18*) and Richard Gleeson (2*) at the crease.
Kent 338-1 v Sussex 332
While day two at Chelmsford was dominated by the bowlers, it was a different story at Canterbury.
Kent's 19-year-old opener Jordan Cox and new signing Jack Leaning put on 231 unbroken runs for the second wicket.
Cox begins on 167 with Leaning on 110.
Essex 262 & 13-0 v Surrey 187
Alastair Cook and Nick Browne resume batting for Essex at Chelmsford.
Their lead already stands at 88 - Surrey will be desperate for some early wickets.
The clock strikes 11, let's go.
Every ball covered
As ever you can tune in to ball-by-ball radio commentary from every game by clicking on the links at the top of this page.
There is also coverage of Notts against Yorkshire on BBC Radio 5 Live Sports Extra. It's shaping up to be a cracking day three at Trent Bridge.