"fair ball." YourDictionary, n.d. Web. 14 January 2019. <https://www.yourdictionary.com/fair-ball>.
fair ball. (n.d.). Retrieved January 14th, 2019, from https://www.yourdictionary.com/fair-ball
A batted ball that first strikes the ground or leaves the playing field beyond first or third base within the foul lines or that is within the foul lines as it bounces past first or third base or that comes to rest or is touched by a fielder in front of first or third base within the foul lines.