Surrey's batting capitulated for the second time as Middlesex sealed an innings win before tea on day three.
Steve Finn claimed 4-19 as Middlesex crushed Derbyshire by an innings and 35 runs with a day to spare at Lord's.
Kent completed a 10-wicket victory over Middlesex to open a 36-point lead at the top of Division Two.
Neil Dexter is set to leave Kent after turning down a new deal at the club because he wants to play more first-team cricket.
Essex have taken Neil Dexter on a month's loan from Kent.
Ireland's humbling by South Africa should not derail their push for a quarter-final spot, says Mike Atherton.
ICC World Cup
Australia win by 275 runs
Pakistan win by 129 runs
Bupa Sheffield Shield
Kevin Pietersen's possible return for England is an 'extraordinary' twist, says Bob Willis.
England must reassess their ODI approach after a nine-wicket defeat to Sri Lanka, says Nasser Hussain.
Jacques Kallis and V.V.S. Laxman will be part of Sky Sports' wall-to-wall, multi-platform coverage of the ICC World Cup.
David Lloyd tees it up with Jimmy Anderson and goes in to bat for the Associate nations.
It's time to plan your next seven weeks around the cricket with the Sky Sports World Cup wallchart!