it's proof almost anything is possible. >> i want to play in the nfl, for the ravens or -- >> reporter: you want to keep wearing purple? >> yeah, purple. >> reporter: he helped lead his classical freshman football team through an undefeated season to the freshman football state title in rhode island. remarkable considering isaac was born without arms. >> very good. >> reporter: this 14-year-old's perseverance is evident every day, as he strives for the big leagues. isaac may not have made it to the nfl just yet, but his story caught the attention of nfl officials and they decided to bring him here, to the super bowl. >> wo! >> exciting. >> reporter: what did you think when you walked down here? >> i couldn't stop smiling. i still can't stop smiling. >> reporter: smiling ear to ear, from the official tailgate party to special entrance on the field during player warm-ups.