The Life of Bo Jackson timeline
Bo Jackson says he never would have played football if he had known about CTE
Bo Jackson: From the End Zone to the Kill Zone
Bo Jackson: 'I would have never played football'
Bo Jackson says he would have never played football had he known more about head injuries - ESPN
What is the most disappointing career in NFL history? - Quora
All-Time Greats Who Could Have Been Better: Barry Sanders, by AJ Wiseman
Which QB has been sacked most per game in NFL history? - Quora
Bo Jackson's startling hindsight: 'I would have never played football'
Bo Jackson: If I knew about head injuries, I would have never played football – New York Daily News