A field of nine older horses are set to fly six furlong's in Sunday's $100,000 grade III Mr. Prospector Handicap at Gulfstream Park. Vying for favoritism will be Hook and Ladder, who has not lost in three tries at the venue, and Istintaj, who looks to repeat his win in last year's running of the Mr. P.Chester and Mary Broman's Hook and Ladder, by Dixieland Band, will tote the high weight of 116 in the event. The 5-year-old, conditioned by John Kimmel, last year defeated Trippi in the Gulfstream Park Breeders' Cup Championship Sprint (gr. II). John Velazquez rides.Istintaj will break from the outside gate under 115 pounds and Jerry Bailey. He will carry the colors of the Shadwell Stable. Robert Bakerman's Kipperscope and McKee Stable's Red's Honor figure to be prominent early. Pat Day gets the call on Red's Honor, who comes off three consecutive stakes scores at Hoosier Park. Kipperscope carries a two-race win streak from Calder into this outing.Brereton, a lightly raced 4-year-old by Storm Creek who has two victories from three lifetime starts, goes for Eugene Melnyk. Mark Guidry rides.Jim Tafel's Bin the Best tries to make the jump to stakes company successfully. The Carl Nafzger trainee, by Binalong, captured two straight allowance contests in Kentucky. Jon Court is up.The field for the Mr. Prospector Handicap, in post position order with jockeys and weights: Tempered Appeal (Emile Ransammy, 113), Red's Honor (Pat Day, 114), Hook and Ladder (John Velazquez, 116), Bin the Best (Jon Court, 113), Winnie's Pooh Bear (Rene Douglas, 112), Brereton (Mark Guidry, 111), Silver Jet (Manuel Aguilar, 111), Kipperscope (Cornelio Velasquez, 114), Istintaj (Jerry Bailey, 115).