David Wainwright signs new Derbyshire contract
Derbyshire left-arm spinner David Wainwright has signed a four-year deal.
Head coach Karl Krikken said: "David's performances have been magnificent. He's been a key element in our success.
"A spinner who can take wickets or bowl containing spells is so important to any team."
Krikken added: "David has proved himself well capable of carrying out both roles to perfection."