Gloucestershire seamer Ian Saxelby has been ruled out for the rest of the season with a knee injury which could require surgery.
He picked up the problem in the
Division Two game against Hampshire.
Saxelby is currently Gloucestershire's leading County Championship wicket-taker with 35, and took a career best 6-48 against Leicestershire in July.
In 2010, the 23-year-old missed the entire 2010 season after undergoing an operation on his shoulder.
He returned the following year and took 49 Championship wickets, which earned him a new three-year contract.