 From 1966 to 1968, he moved to the Calgary Stampeders, where he enjoyed his greatest success as a professional.In 1967, he threw for 4,479 yards, a whopping figure for that era, and 40 touchdowns, the latter breaking Tobin Rote's league record of 38 in 1960 for Toronto.His touchdown record would stay in place until Doug Flutie surpassed him in 1993.