Chicago ? Attorneys for Kansas City Chiefs quarterback Kyle Orton have filed a lawsuit claiming bad advice from his former lawyers cost him and and others millions of dollars related to energy investments.

The 14-page lawsuit filed in Cook County Circuit Court this week names the Chicago-based law firm Chuhak & Tecson as a defendant. A message seeking comment from the firm on Friday wasn’t immediately returned.

Orton, a former Chicago Bears quarterback, joined the Chiefs earlier this season after more than two seasons in Denver.