75 years old (Born on December 13, 1949)
Happy Birthday, Mike Keller! You may have only spent one season with the Dallas Cowboys back in 1972, but your legacy as a linebacker who tackled adversity head-on remains legendary. Sure, injuries might've cut your NFL career short—but hey, you managed to retire undefeated against Father Time!Even though your football days were brief, you've been scoring touchdowns ever since by inspiring others and proving that life's greatest victories often happen off the field. Here's hoping this birthday brings fewer aches than those linebacking days—and more cake than training camp allowed. Cheers to another year of tackling life like a champ!