The Mouse That Roared

He is talking football, as usual, as he veers his black 1991 Mercedes 300 SE into the parking lot of the Riviera Hotel and Casino in Las Vegas.There are other interests in his life, but nothing quite captures Mouse Davis\' fancy like throwing the football.\"Visiting with Mouse is like talking to Mr. Football, and it is not an artificial enthusiasm,\" says another man with a passing interest in the game, Dick Vermeil.Davis is discussing how to attack the latest defensive phenomenon in pro football, the zone blitz. He compliments Jacksonville Jaguars defensive coordinator Dom Capers for his use of the scheme, then his eyes twinkle.\"It makes you run more short routes,\" Davis says, \"because if you don\'t, your quarterback is going to get hit in the mouth. You don\'t have as much time, but I love to go against the zone blitz. We can take two routes and move up and down the field against