NFL Comissioner Roger Goodell and NFLPA Executive Director DeMaurice Smith shake hands after signing their collective bargaining agreement at the Pro Football Hall of Fame in Canton, Ohio on Friday. (AP Photo/Phil Long)

Photo by: Phil Long

NFL Comissioner Roger Goodell and NFLPA Executive Director DeMaurice Smith shake hands after signing their collective bargaining agreement at the Pro Football Hall of Fame in Canton, Ohio on Friday. (AP Photo/Phil Long)