Durham beat Worcestershire to book a home knockout tie in the Royal London Cup, while Surrey's Tim David hits a 55-ball ton in a hammering of Warwickshire.
Alex Lees produced a career-best knock of 126 to guide Durham to a nail-biting two-wicket win via the Duckworth Lewis Stern method over Essex Eagles.
Kent seamer Nathan Gilchrist recorded his best List A figures of 5-45 as the Spitfires finally broke their Royal London Cup duck with a 21-run victory against Middlesex.