August 26, 2013 9:22 am A Day in the Life of an NFL Ref NFL Referee Mike Carey describes what’s needed to stay prepared for an official. NBC 7’s Derek Togerson US & World Videos 0:58 Mystik Dan wins 150th Kentucky Derby in photo finish 2:07 San Diego Seals riding energy of ‘The Electric Factory' into National Lacrosse League semifinals 0:45 Knicks defeat 76ers, advance to Eastern Conference second round 58:18 Episode 308: The Level of Concern Game 0:40 Top Pirates prospect Paul Skenes dominating the minors. When will he make his MLB debut?