Tom Bailey commits to Lancashire for next three seasons; Laurie Evans signs contract extension at Sussex...
Jofra Archer will be available for England selection next year under new ECB eligibility rules and could feature at the World Cup.
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.
Our pundits select XIs from Divisions One and Two plus a 'most promising' team from the 2018 County Championship season.
Tom Abell took a remarkable hat-trick as Somerset forced Nottinghamshire to follow on at Trent Bridge.
Essex's Jamie Porter and Sam Cook claimed four wickets each to condemn Surrey to a day to forget at the Kia Oval.
Centuries galore and sensational bowling performances see Sam Robson, Ian Bell and Jamie Porter make this week's team.
Warwickshire's high-scoring draw at Hove meant they reclaimed their Division One status at the first time of asking.
Hampshire, whose safety was confirmed by Worcestershire's defeat at Essex, suffered a rain-affected day against Yorkshire.
Joe Clarke hit an unbeaten 74 as Worcestershire looked to cling on to their slim County Championship survival hopes at Essex.
Hampshire just shaded a bowler-friendly opening day against Yorkshire as 15 wickets fell on day one of their clash.
Worcestershire claimed the honours on a day featuring milestones for Luke Wright and Rob Key in a fish head!
Worcestershire won their first Vitality Blast title with Moeen Ali, Pat Brown and Ben Cox starring in a five-wicket victory over Sussex.
Luke Wright smashed the highest score by a batsman at Finals Day as Sussex beat Somerset to make the final at Edgbaston.
Sussex’s Tymal Mills, Jofra Archer and Chris Jordan go ten-pin bowling before they aim to skittle the opposition at Finals Day.
Morne Morkel edged Surrey closer to a win over Worcestershire and their first County Championship title in 16 years.
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.
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