With the likelihood of a $5 million pool, Santa Anita’s popular 20 cent Single Ticket Rainbow Pick 6 Jackpot will offer players a mandatory payout on Sunday, Feb. 20. First post time for the Arcadia, Calif., track's nine-race card is at 12:30 p.m. PT and Sunday’s main event is the Grade 3, $100,000 San Simeon Stakes for older horses at about 6 ½ furlongs down the hillside turf course.