Tim Holland offers his free expert picks for this day in racing at Churchill Downs, Belterra Park, and Indiana Grand.

Churchill Downs

Race 7

Trainer Sims wins with 18% of his runners in allowance events and saddles #6 Summer Delivery (8-1), who comes off a third-place finish after being checked at this distance at Keeneland in early July. Daughter of Twirling Candy finished third in one of three previous starts on this oval and Sims has won with 14% of his runners since the beginning of the year. Filly should find a decent pace to stalk with Talamo in the saddle.

Race 9

Sprinters on turf include #10 Jo Jo Air (8-1), who should get a good trip from off what should be a fast early pace. Daughter of Scat Daddy rallied to win the Daisycutter H. in her latest over 5 furlongs at Del Mar and has a record of 11-4-1-0 on this turf. Dark bay has been working well since her most recent outing and trainer Ward wins with 17% of his runners that won last time out.

Race 10

#9 American Humor (6-1) cuts back in distance off a well-beaten fifth-place finish at Keeneland in early July. Son of Distorted Humor finished second in his debut two back over 7 furlongs on this oval for trainer Stall, who wins with 23% of his maiden claimers. Bay has been gelded since his last start and can be along from off the pace with Hernandez retaining the mount.

Belterra

Race 5

Maidens on turf include #7 Golden Star Rock (3-1), who weakened to finish fifth over 1 1/16 miles after leading early in his debut here in late July. Son of Tapit is a half-brother to Verrazano, who won the Haskell Invitational (G1), and trainer Ward wins with 20% of his second-time starters. Gelding can be forwardly placed throughout under Serpa, who has won with three of his last five rides for the barn.

Indiana Grand

Race 4

Jack Sisterson wins with 18% of his second-time starters and sends out #5 Tanqurette (12-1), who took betting action but faded to fourth in his debut over 5 furlongs here early last month. Sisterson wins with 13% of his runners overall in maiden special weight events and daughter of Street Boss is a full sister to Sunland Derby G3) winner Hence. Chestnut can be near the front from the start with Jimenez in the irons.