The Del Mar jockey colony is an ever-changing organism. New faces come in while popular veterans exit.

The “Second Season” starts July 18 in the Haskell Stakes (G1) for The Puma.

The $350,000 Monmouth Cup Stakes (G3) launches the graded action in the fourth race July 18 at Monmouth Park, with three-time graded stakes winner Knightsbridge stretching out to 1 1/8 miles to face Pegasus World Cup (G1) winner Skippylongstocking.

Spendthrift Farm’s first-crop yearling sire Taiba has the top average among first-crop sires with two or more sold at Fasig-Tipton’s The July Sale. The farm had four first-crop sires represented at the sale.

Donnacha O’Brien has the Breeders’ Cup in mind for Eclipse Stakes (G1) runner-up A Boy Named Susie, who the trainer clarified has not been sold despite Australian media reports saying he had been bought for seven figures.

Horse owner and breeder Richard “Dick” Otto, whose stable campaigned graded stakes winners Summer Mis and Sir Anthony, dies at age 88.

There’s dominance. And then there’s trainer Chad Brown in the Diana Stakes (G1T). Though Brown started training 19 years ago in 2007, he already owns 10 victories in the Diana.

Barbara Banke, Walker Hancock, Gray Lyster, and Elliott Walden have been reelected to the Breeders’ Cup’s board of directors and will serve four-year terms.

Fasig-Tipton has cataloged 230 selected yearlings for the 105th Saratoga Sale, to be held Aug. 10-11 in Saratoga Springs, N.Y. Sessions will begin each evening at 6:30 p.m. ET in the Humphrey S. Finney Sales Pavilion.

Junior Alvarado and Luis Saez share Jockey of the Week honors after winning multiple stakes races July 6-12.