DEL MAR, Calif. (July 17, 2025) – California-bred two-time champion Grand Slam Smile returns to open company in Sunday’s $100,000 Osunitas Stakes for fillies and mares at Del Mar.
Grand Slam Smile is a multiple stakes winner by Smiling Tiger, out of the Grand Slam mare Royal Grand Slam, was bred by owners Mr. & Mrs. Larry Williams and is trained by Sean McCarthy.
The Cal-bred champion 3-year-old and 2-year-old filly the past two years has seven wins in 12 starts, earnings of $564,620 and is coming off a win in a June 28 optional claimer.

