The sale, set for Oct. 17, is a joint venture between the Indiana Thoroughbred Owner's and Breeder's Association and the Quarter Horse Racing Association of Indiana.

Trained by Wesley Ward, Ruiva is set to run in the Queen Mary Stakes (G2) June 17 during the Royal Ascot meet at Ascot Racecourse.

Ten Bob Tony landed yet another shock in the Queen Anne Stakes (G1) as he overhauled front-runner Opera Ballo to win the opening race of Royal Ascot at 59-1 in North American pari-mutuel pools.

The leading five positions in the National Thoroughbred Racing Association Top Thoroughbred Poll remain unchanged following a relatively quiet week of stakes action in North America without any grade 1 or grade 2 races.

Daryz and Ombudsman have been declared for a blockbuster clash in the June 17 Prince of Wales's Stakes (G1) at Ascot Racecourse.

This week's edition of The List looks at the race for top stallion honors after the Triple Crown.

NDTA Sponsored Race Stakes

Affirmed Stakes

OHBPA Queen's Derby

San Juan Capistrano Stakes