Now, that opportunity will be afford to him in the form of a try out with the San Diego Chargers.
"I feel like I have the talent to do it," he said in December in Los Angeles. "I feel like I have 14 games of tape that can show I have the ability to do that. It's been a goal of mine and it beats a day job. … I haven't gotten all of the logistics worked out yet but that's something that's been a dream of mine and a goal of mine since I was a little kid and I became a fan of the game.
"That's something that I want to pursue and keep trying to run down the dream."
Maxwell started all 13 games as a junior and the season-opener in 2014 before Connor Cook took over as starting quarterback. He finished with an 8-6 record as a starting quarterback at Michigan State, going 278 for 530 for 3,014 yards and 14 touchdowns in his career.
Treadwell, one of last season's captains, is the 12th Spartan to have a shot with an NFL team.
Linebacker Kyler Elsworth became the 10th when he announced he had a tryout with the Washington Redskins, joining eight that have signed with teams: Defensive tackle Tyler Hoover with Indianapolis, offensive guard Micajah Reynolds with New Orleans, linebacker Max Bullough with Houston, safety Isaiah Lewis with Cincinnati, linebacker Denicos Allen with Carolina, wide receiver Bennie Fowler with Denver and offensive lineman Fou Fonoti with San Francisco.