Gap Integrity: How the Houston Texans Running Game Tested Brandon Spikes, Dont’a Hightower | NEPatriotsDraft.com – 2014 NFL Draft December 5, 2013 by Mike Dussault Gap Integrity: How the Houston Texans Running Game Tested Brandon Spikes, Dont’a Hightower | NEPatriotsDraft.com – 2014 NFL Draft Good stuff from Oliver Thomas illustrating the trappings of the zone run game.