"The pool I consider for the first Big Board of the year usually consists of about 50 to 60 players. In a nutshell, I'd consider that group all capable of achieving first-round consideration in the 2014 NFL draft"-Kiper says of the big board.
http://insider.espn.go.com/nfl/stor...-kiper-looks-prospects-ranked-26-50-big-board
http://insider.espn.go.com/nfl/stor...-kiper-looks-prospects-ranked-26-50-big-board