The Buffalo Bills' trust has begun making in-person presentations to prospective buyers, with as many as eight scheduled over the next three weeks, The Buffalo News has learned. Only three candidates were confirmed to have submitted non-binding initial bids by the July 29 deadline. But that date turned out to be flexible, and nobody would say for sure whether any other off-the-radar applicants had stepped forward. A few more apparently emerged. Two sources have told The News that Hall of Fame quarterback Jim Kelly is involved with one of the undisclosed bidders and meeting with the Bills' trust today. The News previously reported Jeffrey Gundlach, the bond investor from East Amherst, had approached Kelly about joining forces. NFL sources have informed The News that presentations are taking place this week in the Detroit area, where Ralph Wilson Enterprises is located, and next week in Manhattan. Billionaire developer Donald Trump's jet was spotted in Detroit on Wednesday. A source said Trump was the first to listen to the Bills' trust, which is providing more intimate information about the team's sale.