Danforth began skating at the age of four and played hockey around his hometown through the Oshawa Minor Hockey Association and later the Ontario Junior Hockey League. Standing at 5 foot 8 as a youth, Danforth stated he was constantly told he was too short to play hockey, although this did not deter him. Before joining the OJHL, Danforth played for the Oshawa Minor Generals in the Oshawa Minor Hockey Association. After finishing his Midget AAA years with the Oshawa Minor Generals, Danforth played in the OJHL with the Cobourg Cougars starting in the 2009–10 season. In 2012, Danforth participated in the Central Canada Cup where he led the OJHL East Division All-Star Team to a tournament title and was subsequently named tournament MVP. He was named to the OJHL Second All-Star Team at the conclusion of the 2013–14 season. On June 3, 2013, Danforth committed to play NCAA Division 1ice hockey for Sacred Heart University while studying sports management. He stated that playing in the OJHL with the Cougars was critical to him earning an NCAA scholarship.
Collegiate
Danforth began his rookie season at Sacred Heart during the 2013–14 season. He played in 36 games and led the team with 29 total points during the season. He recorded his first two collegiate points on October 16 in a 3–1 win over Bentley University. He helped the team qualify for the 2014 Atlantic Hockey Tournament where they lost in the first round to Canisius College. At the conclusion of the season, Danforth was named to the AHA All-Rookie Team and AHA Rookie of the Year. In his sophomore year, Danforth played in 38 games and recorded 22 points. He helped Sacred Heart qualify for the 2015 Atlantic Hockey Tournament where they lost in the Quarterfinals to Canisius. He was named to the 2014–15 Atlantic Hockey All-Academic Team for having a 3.0 grade point average or higher while competing. In his junior season, Danforth picked up productivity and recorded 41 points in 36 games which set a new career high. He recorded his first collegiate hat trick in a 6–4 win over the Mercyhurst Lakers on January 16, 2016, and was subsequently named Atlantic Hockey Player of the Month for January after tying for third in the nation in points. He ended the season being selected for the Atlantic Hockey All-Conference Second Team and the Atlantic Hockey All-Academic Team. In June 2016, Danforth was invited to the Florida Panthers development camp which ran from June 11–15. He returned to the Pioneers for his senior year where he was named an assistant captain and led the team with 32 points. He recorded his 100th collegiate point on November 22, 2016, becoming the 13th Pioneer player to reach that milestone and concluded the season being named to the Atlantic Hockey All-Conference First Team.
Professional
After graduating, Danforth signed an amateur tryout agreement with the Reading Royals of the ECHL. However, after three games with the Royals, Danforth signed another amateur tryout with the Bridgeport Sound Tigers of the American Hockey League. A few days later, Danforth signed another amateur tryout with an AHL team, the Rochester Americans. His amateur tryout converted into an AHL contract for the 2017–18 season on April 22, 2017. Danforth spent the 2017–18 season moving between the AHL and ECHL. He was named to Team Central at the ECHL All-Star Game after leading all rookies with 37 points. He was also named to the ECHL All-Rookie Team, All-ECHL Second Team and eventually ECHL Rookie of the Year at the conclusion of the season. Despite him spending almost two months in the AHL, he still ranked third amongst all ECHL rookies with 59 points. On May 8, 2018, Danforth left North America and joined Lukko of the Finnish Liiga. He signed a contract extension with the team on February 27, 2019. Prior to the 2019–20 season, he was named an alternate captain. In the 2019–20 season, Danforth's 27 goals scored were second in Liiga, behind just Julius Nättinen. As a free agent, Danforth left Finland for Russia, agreeing to a one-year contract with HC Vityaz of the KHL, on May 2, 2020.
International play
In November 2011, Danforth was selected to Team Canada East at the 2011 World Junior A Challenge where he helped the team win a silver medal. He was again selected the following year for the 2012 World Junior A Challenge, where the team placed fourth in the tournament.
Personal life
Danforth's father Kent played lacrosse as a youth and Danforth followed in his footsteps until the age of 15. His older brother Brandon also played hockey and lacrosse growing up.
