Visit our site http://www.footballtrainingdrillshq.com/footballconditioningdrills/ for more information on Football Speed And Agility Drills.This Football Tackling Drills helps defensive players develop their ability to anticipate offensive players' moves and complete the tackle. This football drill was designed to help running backs work on their sideline running technique. Their focus during the drill should be on maintaining balance and control while running the ball.