In 2010, he led his rink to a semi-final loss, after posting a 6-0 record.

In 2012, his team was undefeated until losing to Alberta in the final.

In 2013 he found less success, winning just one game in the championship.

On the World Curling Tour, Irwin played third for the Terry McNamee rink until forming his own team in 2013.

At the provincial championships, he led his team all the way to the playoffs, where he lost in the 3 vs. 4 game.