SANTA CLARA, Calif. (AP)-The change in the San Francisco 49ers' attitude this season might be most evident when the defensive backs gather in a team meeting room each week to watch the highlight video from the previous game.
Secondary coach Ed Donatell counts and compares the number of "domination hits" in a fierce and friendly competition among players. The challenge is for each to deliver at least one crushing-but legal-blow on an opponent every game.
"We're not really trying to hurt people," safety Donte Whitner said. "But when we play physical, people get hurt."
The hard-hitting, ball-hawking secondary has created …