Super Bowl: Underdogs, Justin Timberlake & Jay Ajayi's party at media day

[Nickie]

BBC Sport set reporter Karl Braidwood a challenge at Super Bowl opening night, including underdog masks, Justin Timberlake songs, Jay Ajayi's parties and the circle punch game.

More... (http://www.bbc.co.uk/sport/american-football/42897048)