Worcestershire's clash against Derbyshire at Derby is firmly in the balance heading into the final day of play.
Derbyshire made life difficult for Division Two leaders Worcestershire on day two, while rain frustrated Hampshire.
Derbyshire's batsmen held up Division Two leaders Worcestershire, while Angus Robson and Chris Cooke hit maiden tons.
Derbyshire's home victory over Gloucestershire saw them qualify for the quarter-finals of the Royal London One-Day Cup.
Vote for your favourite catch in the NatWest T20 Blast so far from our spectacular short-list of five.
We take a look back at some of the highlights from previous Finals Days ahead of this year's event.
A brilliant innings by Richard Oliver failed to prevent Worcestershire's first Championship defeat of the season.
Leicestershire kept alive their hopes of a Royal London One Day Cup quarter-final with a 16-run win over Worcestershire.
Leicestershire chief executive Mike Siddall has announced he will stand down at the end of the season.
Batsman Angus Robson has signed a new one-year contract with Leicestershire.
Sussex defeated Somerset in the only one of six Royal London One-Day Cup fixtures to beat the bad weather on Sunday.
Yorkshire Vikings took control of Group A in the Royal London Cup with a three-wicket victory over Leicestershire Foxes.
Niall O'Brien's ton helped Leicestershire beat Hampshire by six wickets in a rain-hit Royal London One-Day Cup clash.
Leicestershire captain Ramnaresh Sarwan has been ruled out for the remainder of the season due to a back injury.
Wayne Madsen struck his second successive Royal London One-Day Cup ton in Derbyshire's Group A win over Leicestershire.
Birmingham Bears reached the T20 Blast quarter-finals at Yorkshire Vikings' expense in the North Group.
The inaugural Royal London One-Day Cup, county cricket's new 50-over competition, gets under way on Saturday.
Nottinghamshire closed in on a place in the NatWest T20 Blast quarter-finals with a 31-run triumph over Leicestershire.
NatWest T20 Blast holders Northamptonshire are on the verge of elimination following defeat to Worcestershire.
Worcestershire gave Saeed Ajmal a winning send-off and extended their lead at the top with victory over Leicestershire.
Worcestershire moved into a strong position against Leicestershire, while Hampshire's bowlers hit back against Essex.
Adam Wheater came to Hampshire's rescue with the bat, while Leics made life difficult for Division Two leaders Worcs.
Daryl Mitchell passed 1,000 championship runs for the season as Worcs reached 317-9 on day one against Leics.
Jonny Bairstow blasted the first T20 century at Chester-le-Street off only 58 balls as Yorkshire beat Durham by 49 runs.
Sam Northeast's first century of the season helped Kent cruise to a six-wicket win against Leicestershire at Grace Road.