The Gushue rink failed to make the playoffs at the 2014 Tim Hortons Brier after going 6–5 in the round robin.

They would improve on their best finish at the 2015 Tim Hortons Brier, where they lost in the semifinal to Team Canada, skipped by Pat Simmons.

The team represented Canada at the 2017 World Men's Curling Championship, where they went undefeated en route to capturing the gold medal.

Representing Team Canada, they went 10–1 through the round robin and championship pool and defeated Alberta's Brendan Bottcher 6–4 in the final.

They would lose the final of the 2018 World Men's Curling Championship to Sweden's Niklas Edin team.

They began their 2019–20 season at the 2019 AMJ Campbell Shorty Jenkins Classic, where they lost to eventual champions John Epping in the quarterfinals.

They then lost in the semifinal of the Stu Sells Toronto Tankard to Brad Jacobs, who also went on to win the event.

In Grand Slam play, the team didn't win any events but finished runner-up at both the 2019 Masters and the 2019 Tour Challenge and lost in the semifinals of the 2019 National and the 2020 Canadian Open.

They would beat Brad Jacobs in the 3 vs. 4, Saskatchewan's Matt Dunstone in the semifinal, and Alberta's Bottcher rink in the final to win their third Brier title.

The team was set to represent Canada once again at the 2020 World Men's Curling Championship before the event got cancelled due to the COVID-19 pandemic.

[9] Team Gushue played in two events during the 2020–21 season, the Dave Jones Mayflower Cashspiel and the Stu Sells 1824 Halifax Classic, winning both.

However, due to living in Alberta, Walker did not play in either event, as he was replaced by junior curlers Ryan McNeil Lamswood and Joel Krats.

[10] Representing Team Canada at the 2021 Tim Hortons Brier, they finished with an 8–4 record, not advancing to the playoffs for the first time since 2014.

[18] He attended Grande Prairie Regional College where he studied business administration for two years, before getting a job in insurance.