NFL commissioner Roger Goodell has upheld Tom Brady's four-game suspension from the 'deflategate' scandal.
Jen Welter is to become the first female coach in the NFL when she takes up an intern position with the Cardinals.
The Pittsburgh Steelers have extended head coach Mike Tomlin's contract until 2018.
The New England Patriots have reached an agreement to sign free agent cornerback Tarell Brown on a one-year deal.
Quarterback Marcus Mariota has finalised a contract with NFL side Tennessee Titans.
The Minnesota Vikings and Adrian Peterson have mutually agreed to restructure the final three years of his contract.
Pittsburgh have signed defensive end Cameron Heyward to a new six-year contract.
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The Dallas Cowboys have agreed a new five-year, $70m contract extension with superstar wide receiver Dez Bryant.
The Denver Broncos have agreed a new five-year, $70m contract with Pro Bowl wide receiver Demaryius Thomas.