The 20-cent Rainbow 6 Jackpot pool will be guaranteed at $300,000 Sunday at Gulfstream Park in Hallandale Beach, Fla. The popular multi-race wager went unsolved Saturday for the sixth racing day since a July 31 mandatory payout. Sunday's Rainbow 6 sequence will span Races 5-10, headlined by a stakes-quality optional claiming allowance in Race 9. […]
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