Saban said the Tide emphasized "fast-twitch" pass rushers in the latest recruiting class to keep up with the trend toward spread offenses.
Mosley said Alabama defenses are "all about ground and pound and hitting guys in the mouth, but we can finesse when we have to."
Alabama isn't changing its physical, run-stopping mentality.
"Good players are good football players is the bottom line," Smart said. "Surely the bigger, more massive people can play against teams like ourselves or LSU or the Georgias of the world. Then you have to have a little more space players for some of the other teams. But you can't lose sight of defeating blocks, whether it's in space or not, tackling people, which we have to do every game.
"So certainly we've tried to become athletic, but we'll never leave our true motto, which is be bigger and more physical than everybody we play and try to out-physical them at the point of attack."
And be better than last year.