‘The Buffalo Bills Alumni Foundation’s annual alumni weekend will host 16 players from the Pro Football Hall of Fame as part of "Legends of the Gridiron." The three-day event features a VIP Gala at the Seneca Niagara Casino on Saturday, a tailgate party before the Bills’ home opener against Miami on Sunday and the alumni foundation’s annual Celebrity Charity Golf Classic next Monday at Hickory Stick Golf Club in Lewiston.’