Hall of Fame trainer D. Wayne Lukas returned to work today at Belmont Park, a day after he was taken to the hospital with a head injury.The 76 year old Lukas needed several stitches after one of his horses reared up and struck him in the top of the head.Lukas was back at the track today for the Belmont Stakes post position draw, and joked about his trip to the emergency room."I got a severe headache---that’s the bad news. The good news was that I got a date with the head nurse and I sold both doctors a racehorse while I was there," he said. Lukas, who has won 13 Triple Crown races, will saddle Optimizer in Saturday’s Belmont Stakes.