Mark Bowen, MD, an orthopedic surgeon with NorthShore University Health System in Chicago performed the 1,000th procedure using the CoLS technique for knee ligament repair.

Evan Lederman, MD, and William Raasch, MD, performed knee surgery on Milwaukee Brewers right fielder Corey Hart at Arrowhead Hospital in Glendale, Ariz., where the team holds spring training, according to an ESPN report.

Richard Steadman, MD, co-founder of The Steadman Clinic in Vail, Colo., recently performed knee surgery on Portland Trail Blazers center Greg Oden, according to a Businessworld report.

Craig Della Valle, a hip and knee surgeon at Midwest Orthopaedics at Rush, recently conducted a study showing there are three to four times more complications with total knee replacements than partial knee replacements, according to a practice news release.

Thirteen orthopedic surgeons have joined together with musculoskeletal radiologists, physical therapists and other researchers to form the Research in OsteoChondritis of the Knee, according to a Mass Device report.

Here are 25 knee surgeons to know.

James Andrews, MD (Andrews Sports Medicine, Birmingham, Ala.). Dr. Andrews is one of the founding members of Andrews Sports Medicine in Birmingham, Ala., and the founder of the American Sports Medicine Institute, a non-profit institute dedicated to injury prevention, education and research in orthopedics and sports medicine. He has made significant contributions to knee, shoulder and elbow injury prevention and treatment.