Northamptonshire fast bowler Jack White signs a new one-year contract with the county.
Northamptonshire seamer Brett Hutton has ankle surgery after playing through most of last season with the injury.
Northamptonshire all-rounder Rob Keogh will remain at the club until the end of 2021 after extending his contract.
Batsman Richard Levi signs a new one-year deal with Northamptonshire until the end of the 2020 season.
Audio & Video
Gloucestershire and Northants players celebrate promotion to Division One of the County Championship after Glamorgan's draw with Durham sees both sides go up.
Analysis and opinion from the BBC's cricket correspondent.
How to follow the Ashes on the BBC
BBC Sport will bring you live radio, text and in-play highlights of the Ashes this summer.
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.
Feeling the Draft? How to get into cricket
How to get into cricket - the thrill of the big hit, the rush of taking the catch, the skill of bowling. It's time to get into cricket.