Durham are 10/3 with William Hill for the County Championship Division 1 title after victory in Leeds against Yorkshire sent them top.
Stubborn Yorkshire, previously top, were eventually beaten and move out to 7/1 with Ladbrokes.
Warwickshire and Nottinghamshire recorded opening fixture wins; they are 9/1 (Blue Square) and 4/1 (Stan James) respectively. Hampshire remain winless after 2 matches and move to 14/1 with Totesport.
In Division Two, Middlesex recorded an 8 wicket win over Essex and are now 7/2 favs with Coral and have a chance of taking top spot as they only team with a 100% record with a game in hand. Essex, the team they beat, have lost two from two and are 8/1 with .
Derbyshire picked up a cruching win over Leicestershire but remain a 16/1 shot with Totesport.
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