‘”I think what we’ve all found out is that with the parity we’ve seen the last few years . . . the turnover of head coaches, the turnover of personnel each year, no one knows who’s going to win,” Vincent said in a phone interview with Buffalo-area reporters Tuesday. “I don’t think anyone can make a promise. . . . Last year on paper, the Bills were very talented. They had more talent than most teams in the NFL. Some injuries happened and the chemistry just wasn’t there, and they didn’t perform to the caliber of play they’re capable of. Our chances now are just as good as any team in the NFL.”‘