Two High Powered Offenses In Atlanta And New England, Will Super Bowl LI Be A Shootout ?

Super Bowl fifty-one will feature two great teams that have veteran quarterbacks in  Matt Ryan for Atlanta and Tom Brady for New England as well as two high powered offenses that score a lot of points.  

Atlanta led the NFL in points scored this season at 33.8 points while New England was third in scoring at 27.6 points per game. "according to https://www.sportingcharts.com/nfl/stats/team-points-per-game/2016/

What will this game down to? How about the defense? 

Atlanta gives up  25.4 points per game.  "according to https://www.sportingcharts.com/NFL/teams/323/atlanta-falcons/#Defensive%20Yards$SeasonMax=9999&SeasonMin=1990 while New England's defense meanwhile gives up 15.6 points per game. "according to  https://www.sportingcharts.com/NFL/teams/348/new-england-patriots/#Points%20per%20Game$SeasonMax=9999&SeasonMin=1990

Will this game be a shootout? 

Kick-off is set for 6:30 pm. The game will be televised on Fox. "according to http://www.atlantafalcons.com/schedules/schedule.html