Dr. Daley is one of Chicagoland's leading surgeons in the areas of total knee replacement, minimally invasive knee and hip replacement, partial knee replacement, and knee arthroscopy. Dr. Daley gained national prominence when, as team physician for the Chicago White Sox, he performed Bo Jackson's total hip replacement, allowing Jackson to successfully return to playing professional baseball. He also performed artificial knee replacement surgery on Dan Hampton, an NFL Hall of Fame defensive tackle for the Chicago Bears. Dr. Daley is involved in the design and development of surgical implants for several manufacturers, giving him additional insight into determining the best solutions for his patients. He is a regularly featured speaker on orthopaedic topics related to the hip and knee.