Yorkshire to bat

Yorkshire won the toss and will bat.

Ambrose has passed a fitness test. Piolet makes his championship debut.

Warwickshire without Bell, Trott and Woakes. Yorkshire without Gale and Sayers.

Warwickshire: Westwood, Maddy, Botha, Troughton, Javid, Ambrose, Clarke, Piolet, Carter, Imran Tahir, Rankin.