Hampshire trio Jimmy Adams, James Tomlinson and Danny Briggs have all signed new contracts with the county.
County champions Yorkshire begin their title defence against Worcestershire on the opening day of the 2015 season.
Michael Carberry signs up to play in the Big Bash League for champions Perth Scorchers.
Former Durham all-rounder Dale Benkenstein has announced his retirement from all cricket with immediate effect.
Hampshire and Worcestershire clinched promotion as Leicestershire propped up the rest again
Hampshire have signed Australia fast bowler Jackson Bird and Paksitan all-rounder Yasir Arafat for next season.
Jeetan Patel has been named county cricket's Most Valuable Player, according to the FTI rankings.
Hampshire fast bowler David Balcombe has joined Surrey on a two-year contract.
Hampshire beat Glamorgan by 291 runs to seal promotion and the LV= County Championship Division Two title.
Hampshire moved closer to securing promotion,after dominating the second day of their clash with Glamorgan.
Essex dominated the opening day against Worcestershire as Hampshire hit back after a disastrous start at Sophia Gardens.
Will Smith's unbeaten 142 saved Hampshire from possible defeat by Kent on the final day at the Ageas Bowl.
Promotion contenders Hampshire had to follow-on despite Sean Ervine's 121 on day three against Kent in Southampton.
Hampshire were favourites to secure promotion, but Kent's resistance and an Essex win have complicated matters.
All-rounder Will Smith has signed a new two-year contract extension to remain at Hampshire.
Jesse Ryder claimed career-best first-class bowling figures to keep Essex in contention for promotion in Division Two.
Jos Buttler has been reprimanded for dissent by the England and Wales Cricket Board's disciplinary committee.
Matt Coles and Sean Ervine each took three cheap wickets as Hampshire crushed Leicestershire by an innings and 34 runs.
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.
Hampshire have signed seamer Andre Adams on a short-term deal for the first three months of next season.
Derbyshire's batsmen held up Division Two leaders Worcestershire, while Angus Robson and Chris Cooke hit maiden tons.
Lancashire beat Hampshire by 41 runs (D/L) in a rain-affected second NatWest T20 Blast semi-final at Edgbaston.
Kevin Pietersen and Andrew Flintoff could both feature at Finals Day after the squads were unveiled on Friday.
Derbyshire's home victory over Gloucestershire saw them qualify for the quarter-finals of the Royal London One-Day Cup.