Will Thorne Staff WriterAn anthology series on the history of the NFL is in the works.Game1, the sports content studio founded by Greg Economou, Basil Iwanyk and Michael Smith, is teaming with Gifford Media Group to adapt Frank Gifford’s bestselling memoir “The Glory Game: How the 1958 NFL Championship Changed Football Forever” into a series.Gifford, the late New York Giants Hall of Famer and “Monday Night Football” broadcaster, published the book in 2008, alongside Peter Richmond.The project