sentences:  After being sidelined for the season, Ross returned in 2001 only to be hampered by chronic hamstring trouble.During 2002–03, matches were kept to a minimum, where Ross spent huge amounts of time on the sidelines with hamstring, knee and back injuries.He retired just before the start of the 2004 season at only 29 years of age, after it was revealed he had a bulging disc in his back.