Ott represented Canada at the 2001 World Junior Hockey Championship, helping the team win the bronze medal.

[1] During the 2004–05 NHL lockout, Ott played for the Hamilton Bulldogs of the AHL, where he set a team record for penalty minutes in a season with 279.

[5] As a Sabre, he quickly became a fan favorite due to his hard work ethic, playing ability, toughness, and desire to win.

On March 19, 2013, Ott scored an early goal in the first period and the overtime winner against the Montreal Canadiens to record his first multi-goal game with the Sabres.

Ott finished his first season with Buffalo with nine goals, 15 assists, 93 penalty minutes and five fights in 48 games, though the Sabres failed to make the 2013 playoffs.

Attempting to deliver a body check to Leafs captain Dion Phaneuf, Ott missed the hit and fell awkwardly into the boards.

He played in 9 playoff games, putting up one assist as the Blues lost in the Western Conference Final to the San Jose Sharks.

[8] On May 25, 2017, Ott retired from his professional hockey playing career, and was named as an assistant coach for the St. Louis Blues for the 2017–18 season.