Yorkshire captain and England batsman Gary Ballance signs a new contract with his county until the end of the 2019 season.
Yorkshire re-sign Australia one-day batsman Travis Head as an overseas player for their 2017 T20 Blast campaign.
John Hampshire won three County Championships in a row in the 1960s.
Yorkshire seam bowler Steve Patterson extends his contract until the end of the 2018 season.
Audio & Video
Watch highlights of the final innings as Middlesex seal a 61-run win over Yorkshire at Lord's to win the County Championship for the first time since 1993.
Analysis and opinion from the BBC's cricket correspondent.
Follow live cricket on the BBC
BBC Test Match Special returns with live commentary on every ball of England's one-day international series against West Indies in March.
Cricket alerts, newsletters and social media
Get latest scores and headlines sent straight to your phone, sign-up to our newsletter and learn where to find us on online.
How to get into Cricket
How to get into cricket - physical exertion with a chess-like element in matches which range from half an hour to five days.