Sean Morey, then with the Arizona Cardinals, celebrates after blocking a punt against the Seattle Seahawks in 2007. Morey, who suffers from post-concussion syndrome, retired from the NFL in 2010 on the advice of doctors. Stephen Dunn/Getty Images hide caption

itoggle caption Stephen Dunn/Getty Images

Mexican-born Hubertus Von Hohenlohe, a German prince, plans to ski in style for the Winter Olympics. Courtesy of Alex Jorio hide caption

itoggle caption Courtesy of Alex Jorio

Elite athletes at Team Academy keep up their education in classrooms like this one; their training facilities are downstairs in the same building. Sarah Brunson/USSA hide caption

itoggle caption Sarah Brunson/USSA

Northwestern quarterback Kain Colter, who finished his college career last season, is the spokesman for the players' effort to unionize. John Mersits /CSM/Landov hide caption

itoggle caption John Mersits /CSM/Landov