ADELAIDE, AUSTRALIA - OCTOBER 09: Mark Cosgrove of the Tigers gestures to his number after scoring 100 runs during day one of the Sheffield Shield match between the South Australian Redbacks and the Tasmanian Tigers at Adelaide Oval on October 9, 2012 in Adelaide, Australia. (Photo by Morne de Klerk/Getty Images)
ADELAIDE, AUSTRALIA - OCTOBER 09: Mark Cosgrove of the Tigers gestures to his number after scoring 100 runs during day one of the Sheffield Shield match between the South Australian Redbacks and the Tasmanian Tigers at Adelaide Oval on October 9, 2012 in Adelaide, Australia. (Photo by Morne de Klerk/Getty Images)