Worcestershire, Derbyshire and Durham all secured victories in Sunday's Friends Life t20 action.
Worcestershire pegged back pace-setters Somerset with a comprehensive 54-run win in their Midlands/Wales/West group clash at Taunton.
The visitors managed 173 for seven after being asked to bat first, with the bulk of the runs coming from the productive top three of Moeen Ali (47), Vikram Solanki (33) and Phil Hughes (41).
Steve Kirby led the fightback with three for 37, with Alfonso Thomas the most economical bowler with one for 24 from his four overs.
Richard Levi's 28 at the top of the order was the best Somerset managed in response as they were rolled over for 119 - Daryl Mitchell and Brett D'Oliveira each taking three wickets.
The result leaves the Pears in third place, one behind Warwickshire and Somerset.
In the North Division Derbyshire put a significant dent in Lancashire's hopes of qualifying for the quarter-finals by claiming a three-wicket win with seven balls to spare at Old Trafford.
Steven Croft made 48 and Paul Horton 27 not out in a Lancashire total of 122 for eight, with Rana Naved-ul-Hasan (three for 20) and Wes Durston (two for 16) the pick of the bowlers.
Durston then set his side on the road to victory with 56 off 36 deliveries and although a middle order collapse briefly gave the Red Rose hope, Rana hit the winning boundary off his only ball at the crease.
Last year's champions Leicestershire continued to disappoint, meanwhile, losing their sixth match in eight against third-placed Durham at Chester-le-Street.
The hosts eased to a nine-wicket success with 40 balls left after restricting their opponents to 114 for seven.
Graham Onions turned in superb figures of one for 14 in four overs and none of Durham's bowlers went at more than seven an over in a stingy display.
Phil Mustard, with 51 in 33 deliveries, and Herschelle Gibbs then put on a swift 82 for the first wicket.
Gibbs finished with 49 at better than a run-a-ball and Ben Stokes chipped in 15 not out to carry his team over the line in the 14th over.
