says he's undergone surgery. gary nelson joins us from jackson memorial hospital with the latest. >> reporter: after a year with the baltimore ravens miami native tray walker was being groomed as someone with star potential. but the 23-year-old suffered not just possibly career ending but possibly life ending dirtbike last night. my happy's tray walker got that by the baltimore ravens last year is accustomed to taking hits. but not like this. his honda dirtbike slammed into this suv in liberty city thursday night. he suffered massive injuries. his agent and writer trauma center says he's fighting for his life after multiple surgeries. >> i'm hopeful and leaving it in god's hands. whatever is to be will be. >> reporter: woman driving this ford suv may not have seen walker's dirtbike coming as she crossed nw.