Did the Eagles' Chip Kelly flat-out lie, or did the newspaper get it wrong?

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I just saw a clip on ESPN of the coach of the Philadelphia Eagles, Chip Kelly, flatly denying that he tried to call a player he traded to Buffalo, LeSean McCoy, and McCoy hung up on him. The newspaper that reported the call, the Philadelphia Inquirer, stands by its report, saying they have two different sources. Kelly made his denial in a news conference, looking right at the Inquirer reporter. So, who's right? I tend to go with Kelly on this one. Think of what the Inquirer's story requires to have happened: Kelly must have made his call in the presence of two people he trusted enough to tell them that McCoy hung up on him, or at least he must have told them about it. Otherwise, how could they know? Then those two people Kelly trusted must have ratted him out to a reporter for some reason, knowing that if it became known they had done so, it would probably cost them their jobs. Then Kelly would have had to stand before the cameras and tell a bald-faced lie about it, knowing that McCoy himself could confirm the story and show up Kelly, whom he detests, as a liar. Does that scenario seem likely? Not to me. I think the newspaper got it wrong.