Sheehan played collegiately at Bowling Green State University after a standout career at La Salle High School in Cincinnati, Ohio.

In the playoffs, Sheehan led the Commandos to the 2011 CIFL Championship Game, where they defeated the Marion Blue Racers 44–29.

After the Commandos season ended, Sheehan signed with the Arizona Rattlers of the Arena Football League, but never appeared in a game.

Tyler Sheehan attended La Salle High School, where he was a three-year letterwinner on the football team.

Sheehan connected with receiver Freddie Barnes for the game-winning conversion in what The New York Times called "perhaps one of the most exciting of the college football season".

[7] Late in the season, USA Today wrote that "Tyler Sheehan directs one of the MAC's most diverse offenses.

ESPN compared Sheehan with other top passers in the conference, noting that he threw for fewer interceptions than Dan LeFevour of Central Michigan, and had a higher completion percentage than Nate Davis of Ball State.

During a 36–35 win against Kent State, Sheehan passed for a school-record 505 yards, including the game-winning score with five seconds left.

Sheehan continued his dominance in the playoffs, by winning both games, clinching a 2nd consecutive CIFL Championship for the Commandos.

Sheehan went on to win the CIFL Championship Game MVP award by throwing for 3 touchdowns and running in another, during the Commandos 44–29 victory.

[15] On July 13, 2011, it was announced that Sheehan had reached an agreement to join the Arizona Rattlers of the Arena Football League.