Michael Thomas was a star Wide Receiver at Ohio State, where he helped the Buckeyes win the College Football Playoff in 2015. The following season, he was taken in the Second Round by the New Orleans Saints, where he eventually became the primary weapon of Quarterback, Drew Brees.
A soccer player as a teen in his native Denmark, Morten Andersen, came to the United States as part of an exchange program. Just for kicks (pardon the pun), he tried kicking a football, and he was excellent at it and would play as a senior in High School. It got him noticed by Michigan State, who gave him a scholarship. That led to him being drafted by the New Orleans Saints in the Fourth Round in 1986.
The father of Peyton, Eli (and Cooper), Archie Manning, was quite a Quarterback in his own right, and he played for the New Orleans Saints for over a decade.
Joe Horn was more than just a flashy way of celebrating a touchdown (remember the phone in the goalpost?).