WFLA-TV's Gayle Sierens became the first woman to do play-by-play for an NFL football game in 1987, when she called the December 27th game between the Seattle Seahawks and the Kansas City Chiefs. Since that time, 23 years ago, no other woman has broadcast play-by-play of an NFL game. Click here for a slideshow of 11 other women who made a difference according to the website "BleacherReport."