He got started in golf with his father, playing at the Victoria Park East course in Guelph.

[1] He finished as runner-up to Warren Sye at the 1994 Canadian Amateur Championship.

Struggles with his form led DeCorso to take a job as an on-course commentator during Canadian Tour coverage on The Golf Channel from 2001 to 2003, and he left golf altogether for nine months in 2004, working with his father as a building contractor.

He returned to pro golf on mini-tours based in Florida, and gradually regained his form and interest.

Working with a new instructor, Greg Towne, he finished fourth at the Henrico County Open in late April 2008, and then won the 2008 South Georgia Classic the next week.