NFL Commissioner Roger Goodell speaks during commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. (AP Photo/Mary Schwalm)

NFL Commissioner Roger Goodell, second left, is joined by his brothers Jeffery, left, Tim, and Bill, right, as they accept a Doctor of Humane Letters posthumously for their late father U.S. Sen. Charles Goodell during commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. (AP Photo/Mary Schwalm)

NFL Commissioner Roger Goodell smiles as New England Patriots owner Robert Kraft speaks during a media availability at commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. Goodell was the keynote speaker.(AP Photo/Mary Schwalm)

NFL Commissioner Roger Goodell speaks during commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. (AP Photo/Mary Schwalm)

New England Patriots owner Robert Kraft, right, talks with UMass Chancellor Martin Meehan during commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. (AP Photo/Mary Schwalm)

NFL Commissioner Roger Goodell speaks during a media availability as New England Patriots owner Robert Kraft looks on at commencement ceremonies at UMass-Lowell at the Tsongas Center in Lowell, Mass., Saturday, May 29, 2010. Goodell was the keynote speaker.(AP Photo/Mary Schwalm)