darrell aikens needs a bone marrow transplant. the cancer is spreading and he is remaining resilient. >> i don't feel like it's something about me. >> reporter: the football player, darrell aikens was on a roll. >> i got a call yesterday that cancer came back in my back. >> diagnosed with leukemia following a football game. >> i couldn't breathe. my could tell i couldn't breathe. it was taking a long time to catch my breath. >> doctors treated him and he continued to play sports. >> i'm not stopping, i'm just having as much fun as i can, and hope for the best. >> reporter: his former coach doesn't want to see the 17-year-old side lined again. >> it was just sad to get the phone call. he's a real great kid. >> reporter: darrell needs a bone marrow transplant to treat the cancer that moved to his back. >> i hope i can find a match. >> it's going to be a stronger chemo than the first time. >> reporter: darrell's desire to win on, and off the field, keeps everyone motivated. >> keeps me going. if he is positive and i'm positive, we ca