Calumet Farm's True Timber (Mineshaft) impressed trainer Jack Sisterson Saturday morning with a swift five-furlong breeze in preparation for a third start in the Jan. 23 GI Pegasus World Cup Invitational at Gulfstream Park. Working in company with multiple-stakes winner American Tattoo (Arg) (Not For Sale), True Timber covered five furlongs in 1:00.20 under exercise rider Mark O'Dwyer at Palm Meadows, Gulfstream's satellite training facility in Palm Beach County. "He worked great this morning," said Sisterson. "It was probably one of the better breezes he's done with us. He went...