Sports

Injuries Tilt The Balance In NBA, NFL

Does Kobe Bryant's latest injury setback signal the beginning of the end of a Hall of Fame career? In the NFL's final regular season weekend there are division titles on the line, but injuries might make the difference there too. Howard Bryant of ESPN.com and ESPN the Magazine talks with NPR's Linda Wertheimer about the week in sports, and the way concussions have shaped sports in 2013 and will continue to do so in the year to come.