He was trained throughout his career by Bart Cummings who bought him at the 1972 Adelaide yearling sales.
During the spring of 1973, as a three-year-old his career blossomed winning the Ascot Vale Stakes, Carrum Handicap, Moonee Valley Stakes, Cox Plate, Victoria Derby and the Sandown Guineas.
This string of victories earned Taj Rossi the title of Australian Racehorse of the Year in 1973.
A virus had troubled the horse throughout his career which eventuated in his retirement from the racetrack at the age of four.
Amongst his stakes winners were Taj Eclipse (Victoria Oaks) and Merimbula Bay (AJC Doncaster Handicap).