Rolled-up game plan in hand, Mike Shanahan squinted at the scoreboard and saw a familiar sight: His team comfortably ahead as the sun began setting behind the Rocky Mountains. Boy, did Peyton Manning and the Denver Broncos flip that script in a hurry. Manning overcame four turnovers and Denver overcame a two-touchdown deficit Sunday to score the last 38 points in what turned into a 45-21 runaway over the former Denver coach's current team, the Washington Redskins.