Marcus North's unbeaten 137 helped Glamorgan to a 26-run victory over Group C rivals Middlesex at Lord's.
Gareth Berg's 4-24 bowled Middlesex to a 24-run win over Worcestershire in their CB40 opener.
Steve Finn claimed 4-19 as Middlesex crushed Derbyshire by an innings and 35 runs with a day to spare at Lord's.
England opener Alastair Cook made an unbeaten 84 as Essex held on for a draw against Middlesex at Chelmsford.
Score updates from the penultimate round of the season
Andrew Strauss says England have a lot of ‘difficult questions’ to answer ahead of the World Cup.
Twenty20 Champions League 2014
Full-on Yorkshire are the pride of the County Championship, says David Lloyd, and deservedly so.