Nottinghamshire have signed South Africa leg-spinner Imran Tahir until the end of the season.
Somerset have agreed to release left-arm spinner Abdur Rehman from his contract with immediate effect.
Durham batsman Graham Clark has signed a first professional contract with the north east county.
England enjoyed a dream day to start the third Ashes Test, bowling out Australia for just 136 at Edgbaston.
"Cricket is ridiculous, and none of us will ever have it worked out." It's Dave Tickner on a bizarre day at Edgbaston.
Reaction from day one of the third Ashes Test, where James Anderson's six wickets helped England take control.
England are 1/4 favourites with Sky Bet to win the third Ashes Test after taking full control on day one at Edgbaston.
Full schedule, previews, results, reports and scorecards for the 2015 Ashes tour.
A review of Wednesday's action in the Royal London One-Day Cup, including a dramatic win for Gloucestershire over Derbyshire.
Scotland began the long road to World Cup qualifying with a three-run victory over Nepal.