American sports agent Leigh Steinberg has represented some of the biggest stars in football history, and now he's taking another step in his long-time side passion of combating one of the sports' biggest dangers – concussions.Steinberg recently launched the Leigh Steinberg Foundation, which aims to educate parents and fund research for concussion treatment in sports. "It's our effort to raise money for research to promote awareness, prevention and cures, to put money aside for at-risk kids who have neurological problems or concussion that can't get treatment, and to fund research," Steinberg said. "We have a doctor's committee with 10 doctors on