Saints don’t win without lights-out defense in second half. Demario Davis was all over the field in the final two quarters, causing pressure (three total QB pressures), stuffing the run with emphasis and setting the tone for the Saints in less-than-ideal conditions. He was the catalyst to an excellent call of a game by defensive coordinator Dennis Allen, who mixed up coverages to keep Geno Smith off-balance, ensured Seattle wouldn’t be able to get much going on the ground,