Lancashire have signed Australians Joe Burns and Glenn Maxwell as overseas players for the 2019 season.
Champions Surrey will begin their County Championship title defence at home to 2017 winners Essex at The Kia Oval on April 11.
Vitality Blast champions Worcestershire will kick off their title defence at Notts, with Finals Day set for September 21.
The County Championship will move to a 10-team Division One in 2020 after an agreement was on changes to the structure.
Rory Burns, Rikki Clarke and Morne Morkel, three of Surrey's Championship winners, have been named in the Team of the Year.
Our pundits select XIs from Divisions One and Two plus a 'most promising' team from the 2018 County Championship season.
Surrey duo Sam Curran and Ollie Pope have been nominated for the NatWest PCA Young Player of the Year.
Craig Overton became the second Somerset player in as many days to take a hat-trick as they beat Nottinghamshire at Taunton.
Lancashire's relegation from County Championship Division One has been confirmed after they were skittled by Hampshire.
Essex's Jamie Porter and Sam Cook claimed four wickets each to condemn Surrey to a day to forget at the Kia Oval.
National selector Ed Smith has defended his decision to include Keaton Jennings in England's Test squad for the tour of Sri Lanka.
Worcestershire claimed the honours on a day featuring milestones for Luke Wright and Rob Key in a fish head!
Moeen Ali starred as Worcestershire booked their place in the Vitality Blast final with a 20-run victory over Lancashire.
Rory Burns and Morne Morkel helped Surrey seal the County Championship title while Ben Coad was on song for Yorkshire.
Yorkshire secured a 95-run County Championship win over Roses rivals Lancashire to take a huge step towards avoiding relegation.
Morne Morkel edged Surrey closer to a win over Worcestershire and their first County Championship title in 16 years.
Alastair Cook will not play for Essex for the remainder of their Specavers County Championship season.
Lancashire enjoyed an excellent opening day of their Division One relegation battle with Yorkshire at Headingley.
Rory Burns and Rikki Clarke make the team as Surrey edge closer to the Division One title while Matt Henry impresses for Kent.
Keshav Maharaj took 7-37 as his side snatched a dramatic tie in their astonishing County Championship clash with Somerset.
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