Ajmal Shahzad and Kyle Hogg saw Lancashire to a thrilling two-wicket win with four balls to spare against fellow Division One strugglers Durham.
Lancashire still have an outside chance of qualifying from Group C after a thrilling four-wicket win over Gloucestershire.
Lancashire batted throughout the final day against Somerset to secure a draw and ease their relegation worries.
Paul Horton's century allowed Lancashire to ease to a six-wicket success at Northamptonshire.
Andrew Strauss says the 50-over format has showcased the best of young English talent.
Full-on Yorkshire are the pride of the County Championship, says David Lloyd, and deservedly so.
County Champ D1
County Champ D2
T20 Champions Lge