Nobody has held a unique perfect ticket since Feb. 22, and if nobody does so Thursday, approximately $2 million in the jackpot will be paid out Friday – an irresistible target. Tim Ritvo, Gulfstream’s president, said, “We’re expecting $6 to $8 million to be bet.” If the high end of his estimate is correct, Gulfstream will break the record of $7.59 million wagered on a Hollywood Park pick six in 2007. http://www.drf.com/news/andrew-beyer-gulfstreams-rainbow-6-hard-resist-mandatory-payout