PHOENIX, Ariz. - The NFL has yet to complete its investigation into the Patriots' use of illegally inflated footballs in January's AFC Championship Game, but New England Patriots owner Robert Kraft said he doesn't foresee any hard evidence being found to implicate the team.

"I know that there is no smoking gun here," he said at the NFL owners' meetings Monday.

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Kraft declined to answer most DeflateGate questions, but he did clarify that his remarks during Super Bowl week in which he demanded an apology were not aimed at commissioner Roger Goodell but at others in the NFL offices.

"When I spoke a week before the Super Bowl, I was speaking to the league office," Kraft said. "[Goodell] is in charge. I think he has a pretty tough job. As a matter of fact, some of my friends say, 'There are two jobs I don't want, President of the United States or commissioner of the NFL.'

"He has a very hard job and I think he does a very fine job at what he does. It's tough, but he needs to make sure all the people working in the system are also doing it."