Chris Schmidt has today had minor knee surgery.

Schmidt, a rookie who was upgraded to the primary list earlier this season, was a late inclusion in Adelaide team to play Geelong on Sunday. He reported hamstring soreness in the second half but this issue is believed to have been the result of his knee problem.

At this stage the Club is not sure how long Schmidt will be sidelined.

He has played five games this season for a total of 18 with the Crows, after two games with Brisbane in 2007.