"He's better known for scandal and celebrity than accomplishment.

Can that change?

Can Dolphins running back Reggie Bush make people forget that his misdeeds in college prompted him to forfeit the Heisman Trophy and led the NCAA to strip Southern Cal of a national championship?

Can Bush make people pay more attention to his running and catching than to whom he's dating, or has dated?

Can he be more famous on the football field than he has been infamous away from it?

The Dolphins, who acquired Bush from New Orleans, where he spent five seasons with the Saints, are betting $10 million across two years that he can.

"I don't think I have to change anything," Bush said Friday after a two-hour practice. "Keep doing what I'm doing."

He wasn't defiant or confrontational or spiteful.

He was matter-of-fact.

"Since I was a little kid, I've always had a hard-work ethic," Bush said. "It hasn't changed. I'm going to put in the time and effort to be a leader."

So, there he was running cross-field sprint after cross-field sprint in the heat after practice. "