OTL: Painkiller misuse numbs NFL pain - NFL - ESPN
Former NFL players seek game-changer to painkillers
Tom Brady: How Many Hits He's Taken on the Football Field
NFL and pain: League zeros in on one pain medication
In Andrew Luck's Retirement, Football's Consequences Weigh Heavily - The New York Times
Solomon: Giant medical malpractice case rocks NFL
Former NFL quarterback Ray Lucas hopes story of painkiller addiction will lead others to get help - CBS News
NFL and pain: Fleeting glory, bodies past repair
A West Point football player got hooked on pain pills. Now he owes the government $300K.
Football and Opiates in America