‘Reese, who was promoted from director of player personnel to replace the retired Ernie Accorsi, showed his lack of polish when asked whether there had been any indication that Buffalo was shopping running back Willis McGahee, who has one year left on his contract. McGahee, 25, who has rushed for more than 1,000 yards twice in the past three seasons, is threatening to hold out if he does not receive a new contract. If the Bills were to trade him rather than meet his demands, the Giants would be a potential suitor. “There is some Willis McGahee talk,” Reese said. “There is some talk about Willis out there.” When pressed, Reese said: “We’ll investigate Willis. We’ll do that.”‘