Sometimes NFL players decide to call it a career earlier than most. On Thursday, one Minnesota Vikings player did just that, retiring at the age of just 26.
Roger Federer is retiring from professional tennis at age 41 after a series of knee operations, closing a career in which he won 20 Grand Slam titles, finished five seasons ranked No. 1 and helped create a golden era of men's tennis with rivals Rafael Nadal and Novak Djokovic.
New Orleans Saints safety Malcolm Jenkins announced his retirement Wednesday after an indelible 13-year NFL career that saw him win Super Bowls with two different franchises and emerge as a leader in the social justice movement.