Sponsored by Alex Nichols Agency 7th-SAR, $100k, Msw, 3yo/up, f/m, 7f, 4:29 p.m. ET Bobby Flay's MEZCAL (Pioneerof the Nile), the first foal out of 2016 GI Kentucky Oaks winner Cathryn Sophia (Street Boss), makes her debut in the seventh race at Saratoga Sunday. The 3-year-old filly, a $625,000 KEESEP yearling, is trained by Todd Pletcher. Bridlewood Farm and Don Alberto Corp. purchased Cathryn Sophia, with this filly in utero, for $2.3 million at the 2017 Keeneland November sale. Courtlandt Farms' Big City Momma (Quality Road), a $700,000 KEESEP purchase,...