Born in Toronto, Ontario and raised in Cambridge, Ducey graduated from Seminole Community College, and was first signed by the Toronto Blue Jays in . After playing in the Blue Jays' organization from to , he moved on to the California Angels (1992), Texas Rangers (–), Seattle Mariners (–), Philadelphia Phillies (–, 2000-) and Montreal Expos (2001), with a brief return to Toronto in 2000. He ended his 13-year major league career with a .242 batting average and 31 home runs in 703 games.