During his PGA career, he had a number of back surgeries, including a microdiscectomy, stem cell treatments, cortisone shots, cryotherapy and nerve ablations.
In amateur play DeLaet was able to earn a scholarship to Boise State, and in 2005 and ’06, he was a member of the Canadian national amateur team.DeLaet also competed extensively in Estevan, winning the men's classic tournament at the TS&M Woodlawn Golf Course on multiple occasions, the last time coming in 2004. In 2006, he won the Saskatchewan Men's Amateur competition that was held in Estevan.After turning pro, he played on the Canadian Tour, winning three events in two years. In 2009, he made it through the PGA Tour’s Qualifying School, finishing tied for eighth.
Over his career, he earned more than $11 million in 186 events on the PGA Tour, finishing in the top 10 33 times. He was only the second Canadian, after Mike Weir, to play on the International team at the Presidents Cup in 2013, with a record of 3-1-1.
He also played for Canada in several World Cups and, in 2016, went to the Olympics in Rio de Janeiro where golf returned to the Games for the first time since 1904. In that year, George S. Lyon of Toronto won the gold medal. DeLaet was chosen to hit the opening shot in that competition, and he finished in 20th place.