Rules Strategy NFL rules Decision-making Kansas City Chiefs San Francisco 49ers Analytics New rules Touchdown Playoff rules Coin Toss Possession Overtime Rules Team Preparation Patrick Mahomes Preparation Overtime rules Kyle Shanahan NFL Rules Game Strategy Coaches New Rules Game Plan Coaching Staff Statistics Rule Change Awareness Game plan Rule change Game strategy Clock management Fairness Competition NFL playoffs Game Theory Coaching Game-winning Drive Overtime strategy Team Strategy Coaching Decisions Player Reactions Rule Knowledge NFL Strategies Debate Future Decision Niners' decision Chiefs' strategy OT rules Referee's role Players' reactions Game Mecole Hardman Gameplay Game-winning touchdown Scoring Victory Game-winning drive Game-winning field goal Coaches' Decisions Close Game Offense vs Defense