Ricky Williams had quite the "welcome the NFL" moment when he was entering the league with the New Orleans Saints in 1999.
The 2002 All-Pro recounted to Mackenzie Salmon for USA Today's Sports Seriously when one Saints veteran suggested using marijuana to help cope with the physical toll of the sport:
"My rookie year, a Hall of Fame player on the team, he’s in the Hall of Fame now, invited me over to his house and he gave me the speech about how to take care of yourself in the NFL.