Refocus after every ball, special moment will come: Greenidge`s advice for Virat

Greenidge is among nine players (Colin Cowdrey, Javed Miandad, Alec Stewart, Inzamam-ul-Haq, Graeme Smith, Hashim Amla, Joe Root and  Ricky Ponting are the others) to have registered a hundred in their 100th Test match