ESSEX have named a 12-man squad for their LV County Championship match against Derbyshire at Derby, which starts tomorrow.

England opener Alastair Cook makes his first appearance of the season at the top of the order, while Alex Tudor is also added to those on duty in the first Championship match of the season against Northamptonshire.

Graham Napier (pain at the back of the knee) failed a fitness test in the 2nd XI over the weekend ahead of Sunday's Friends Provident Trophy game and remains on the sidelines.

Essex (from): Alastair Cook, Jason Gallian, Tom Westley, Ravinder Bopara, Mark Pettini, Ryan ten Doeschate, James Foster, James Middlebrook, David Masters, Andre Nel, Chris Wright, Alex Tudor.