"Nike Inc. said it re-signed Michael Vick, whom the world's largest sporting-goods company dropped as an endorser four years ago after the quarterback admitted to his role in a dog-fighting ring.

Neither Nike nor Chicago-based attorney Andrew Stroth, Vick's marketing agent, would disclose financial terms of the multiyear contract, which was reported earlier by CNBC.

"Michael has acknowledged his past mistakes," Beaverton, Oregon-based Nike said in a statement. "We do not condone those actions, but we support the positive changes he has made to better himself off the field."

Nike will replace Reebok International Ltd. in April 2012 as the National Football League's official apparel supplier.

Vick's contract contains a commitment to work with camps and youth programs, said Stroth, who also represents free-agent quarterback Donovan McNabb and guard Dwyane Wade of basketball's Miami Heat in marketing deals.

"Long-term, Michael Vick wants to coach," Stroth said in a telephone interview. "Michael wants to utilize the platform of playing in the NFL to impact our youth." "