Essex Eagles have moved to the top of the South Group in the T20 Blast with an emphatic 78-run win over Hampshire.
Hampshire struggled from the start as they tried to chase down a big total, with James Vince out for a duck while just four batsman made double figures.
Chris Nash was back in the pavilion for just four, but his opening partner finished with an unbeaten 111 off just 56 balls, leading Sussex to victory.
Knocks from James Faulkner and Paul Horton left the home side in touching distance of victory, but Recordo Gordon picked up four wickets for just 20 runs, leaving Lightning needing three off the final delivery of the match, which Joshua Poysden could not get.
Worcestershire Rapids have been handed a two-run loss in a closely-fought match with Northamptonshire Steelbacks, preventing them from closing the gap to the North leaders.
Worcestershire had to recover from Moeen Ali edging the first ball of their reply to slip for a duck, before Daryl Mitchell, Tom Kohler-Cadmore and Colin Munro all added scores in the 30s to steady the ship. However, Ross Whiteley was unable to hit the winning runs off the final couple of deliveries.
Jack Leaning and Jonny Bairstow led the reply for Yorkshire as they appeared to be chasing down Leicestershire's total with ease, but a run of late wickets saw the run-rate drop, allowing the Foxes to sit level on points in second place the North Group.
John Simpson top-scored for the home side, hitting an unbeaten 84 off just 51 balls, but James Allenby led the Somerset reply with 89 off the same number of deliveries, while Johan Myburgh added a half-century.
Chesney Hughes topped the scoring for the hosts, hitting a half-century, but the whole batting lineup contributed as Derbyshire posted a score of 201.
Mattheus Wessels helped the Outlaws recover from a poor start to their reply, as Alex Hales was bowled for a duck, but his 66 was not enough as a couple of runouts in quick succession saw the side slip from 136-3 to 167-9, while Nathan Rimmington completed the rout by claiming the 10th wicket with the first ball of the final over.
Results in full: Leicestershire (142-7) tied with Yorkshire (142-8), Somerset 117-1 beat Middlesex (171-7) by nine wickets, Northamptonshire (193-8) beat Worcestershire (191-6) by two runs, Sussex (188-7) beat Gloucestershire (185-4) by two runs, Birmingham (137-8) beat Lancashire (136-8) by one run, Surrey (146-8) beat Glamorgan (127 all out) by 19 runs, Essex (212-5) beat Hampshire (134 all out) by 78 runs, Derbyshire (201-7) beat Nottinghamshire (167 all out) by 34 runs