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Middlesex v Gloucestershire (17:30 BST) - BBC Radio London

Surrey v Sussex Sharks (18:30 BST) - BBC Radio 5 Live Sports Extra & BBC Radio London

Derbyshire Falcons v Northamptonshire Steelbacks (19:00 BST) - BBC Radio Derby & BBC Radio Northampton

Durham v Lancashire Lightning (19:00 BST) - BBC Radio Newcastle