FOXBOROUGH, Mass. - The two men most responsible for delivering wins for the New England Patriots both said Thursday they have no explanation for how footballs used to reach the Super Bowl were underinflated by 2 pounds per square inch.Patriots quarterback Tom Brady said he has not been contacted by the NFL, even as league officials investigate whether the team cheated against the Indianapolis Colts in the AFC championship game.I dont know what happened, Brady said, answering questions from reporters hours after Patriots coach Bill Belichick said he almost never thinks about football pressure and doesnt know what happened, either.I didnt alter the ball in any way, Brady said.Unlike Belichick, who answered questions briefly after a long opening remark by repeatedly saying Ive told you everything I know and I dont have an explanation, Brady answered many questions for a half hour and said he doesnt think about the conditions of the ball during games.I get the snap, I drop back, I throw the ball, Brady said. I dont sit there and try to squeeze it and determine that.He does, however, have his preferences — he likes the football to be pumped to 12.5 pounds per square inch of air pressure, he said. The NFL requires balls to be inflated between 12.5 and 13.5 pounds per square inch. Brady said he never has knowingly played with a ball with less than 12.5 pounds per square inch of pressure.To me, thats a perfect grip for the football, said Brady, who will face the Seattle Seahawks in the Super Bowl on Feb. 1 in Glendale, Arizona. I would never do anything outside the rules of play.With different approaches, Belichick and Brady sent a unified message: Both said they have no clue how the footballs were tampered with or switched during last Sunday nights 45-7 win over the Colts, and started learning about the issue along with fans and everyone else.I have no knowledge of anything, any wrongdoing, Brady said when asked who on the Patriots was responsible for the underinflated footballs. Im very comfortable saying nobody did it as far as I know.Asked if he should have tried harder to learn what happened, considering the possible effect on the teams reputation, Brady said, I think theres a lot of people that have more information than me.Brady said he picks the game balls he wants to use several hours before kickoff, then doesnt think about them at all. He said he didnt know the protocol for handling game balls after he chooses them.Once I approve the ball, thats the ball that I expect out there on the field, Brady said. It wasnt even a thought, inkling or concern of mine that they werent the same ball.Belichick said that before this week, he didnt give air pressure in footballs much thought at all.Ive learned a lot more about this process in the last three days than I knew or have talked about it in the last 40 years that Ive coached in this league, Belichick said during an 8 1/2-minute opening statement during an 11 1/2-minute news conference Thursday morning.While neither Belichick nor Brady took responsibility for the underinflated balls, neither absolved anyone besides themselves of potential wrongdoing.I felt like we won the game fair and square, Brady said. I feel like Ive always played within the rules. I would never do anything to break the rules.Softer balls are generally considered easier to throw and catch, and quarterbacks, specialists and equipment managers are known to have very individualized preferences in how footballs are readied for games. Belichick said he was unaware of the process for game balls until the accusations were raised.Belichick said he sometimes hears quarterbacks, kickers and other specialists talk about their preferences.I can tell you and they will tell you that there is never any sympathy from me whatsoever on that subject. Zero, Belichick said.Under league rules, each team provides balls for use on offence. Referees approve the balls more than 2 hours before game time, then keep the balls until theyre turned over to ball handlers provided by home teams just before kickoff.Belichick said the balls used by the Patriots offence are inflated to the 12 1/2-pound range and any deflation would then take us under that.Going forward, he said, the Patriots will inflate footballs to a safe level to prevent them from dropping under allowable air pressure during games.The coach who has won three Super Bowls said he generally forces players to practice under bad-ball conditions.Anytime players complain about the quality of the footballs, I make it worse and that stops the complaints, he said. We never use the condition of the footballs as an excuse. We play with whatever or kick with whatever we have to use.The issue has drawn inflated reaction from around the game and its fans as the Patriots prepare to play for the NFL title.Several Patriots said it would not distract them in preparing for the game.Wed rather be celebrating our trip to the Super Bowl, special teams captain Matthew Slater said. Its important to us that we respect the game and deal with things in a way thats considered professional.But Brady said the topic of the sports integrity is serious.Everyones trying to figure out what happened but, at the same time, youve got to prepare for the Seahawks, he said.___AP NFL website: www.pro32.ap.org and http://twitter.com/ap_nfl Vans Old Skool Sale . Chile applied pressure in midfield right from the beginning, challenging aggressively and continually surging forward. Eduardo Vargas beat the offside trap and fired home a stinging shot for Chiles opening goal in the fifth minute. Vans Old Skool Black Sale . 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