Hampshire go top of Division One as they finish off Warwickshire at the Ageas Bowl.
They are only in the top flight because Durham were relegated after a financial bale-out.
Sussex's new skipper Chris Nash says promotion is still on after they beat Worcestershire at Hove.
Worcestershire lose for the first time and stay third.
Kent are another promotion hopeful - and they sign Pakistan legspinner Yasir Shah for four Championship matches.
More agony for Durham as Northants win by two wickets with a ball to spare at Chester-le-Street.
Durham allrounder Paul Coughlin takes it to the wire and has 10 wickets in the match
Rain wrecks an exciting finish at Trent Bridge with Derbyshire just 26 short of a first win of the season.
Tom Abell hits first Championship 50 of season in Lord's yawn.
But last season's top two - Middlesex and Somerset - remain winless.