Fran Tarkenton on Why So Many (29) NFL Players Arrested

ATTLEBORO, Mass. -- New England Patriots tight end Aaron Hernandez was arrested and charged with murder in the shooting death of a friend.

A former pro hockey player Michael McBain sentenced to 15 years for sexually assaulting a girl over a four-year period.

Former NFL tight end Mark Chmura was selected by the Packers. Chmura was charged with sexually assaulting his children's babysitter.

Darryl Strawberry was the next great MLB hitter. Most of his career was overshadowed by struggles with alcohol and substance abuse.

Marion Jones became the first woman to win five medals at a single Olympics in 2000. After testing positive for performance-enhancing drugs and pleading guilty to federal charges stemming from perjury and her role in the BALCO scandal, Jones was stripped of her medals in 2007, banned from the 2008 Beijing Olympics and sentenced to six months in prison and two years of probation.

Jose Canseco

Performance-enhancing drugs helped slugger Jose Canseco become an All-Star. Congress began cracking down on steroids, he wrote a tell-all book implicating Mark McGwire and other former teammates.