Peterson, who pleaded no contest in a child abuse case, said he would appeal the decision. The Players Union, on his behalf, said the punishment was "arbitrary."
The inspections are related to a lawsuit that claimed NFL medical staff keep players on the field by handing out powerful and addictive narcotics without prescriptions.
Running back Marcus Lattimore, 23, retired from the NFL Wednesday. He says he chose a higher quality of life, citing a lingering knee injury. Lattimore reportedly has a $1.7 million insurance policy.
The star running back avoided jail time after being indicted in September for using a wooden switch to punish his 4-year-old son. The case reignited the debate over corporal punishment in the U.S.
Several civic leaders criticized the NFL's response to news about players involved in domestic violence, saying that black women weren't represented among the groups consulted by the league.
Unfortunately for sports fans, the rules aren't expected to change much, as the NFL could still negotiate blackout rules through contracts with broadcasters. It does, however, end FCC protection.
The NFL sides with fans who criticized an unsportsmanlike-conduct penalty called on a Muslim player who prostrated himself in the end zone Monday night.
Companies like Anheuser-Busch pay hundreds of millions to be identified with the NFL's aura. The last thing they want is to be associated with scandal, but it might be financially tough to walk away.