In this series, the TDN takes a look at notable successes of European-based sires in North America. This week's column is highlighted by the victory of Learntodiscover at Saratoga.Havana Grey Sires Stakes Winner At SaratogaMark Dobbin's Learntodiscover ran out a neck winner of Saratoga's GIII Quick Call Stakes on July 19 (video). The Havana Grey gelding signed off his European campaign in the same colours with a third in the G3 Round Tower Stakes last August.Bred by G Wilding, the son of Our Gal (Kyllachy) sold for 45,000gns as a weanling at Tattersalls December in 2023, before making 140,000gns as a Book 3 yearling at Tattersalls October in 2024. Now trained by Brendan Walsh, he was making his third North American start.Whitsbury Manor Stud's Havana Grey is credited with four winners from 15 runners (27%) in the U.S. Learntodiscover is his second graded winner there after GIII American Stakes hero Almendares, who was also second in the GI Shoemaker Mile Stakes and the GI Pegasus World Cup Turf Invitational Stakes.Define Shines At EllisFarfellow Farms' Define (Lope De Vega) graduated in her American debut at Ellis Park on July 18. Bred by Hamwood Stud, the three-year-old filly is trained by Brendan Walsh.Formerly trained by Ger Lyons for Miss A H Marshall, the daughter of Roystonia (Redoute's Choice {Aus}) ran second at Wolverhampton in three starts in Europe before being purchased privately. Her winning dam's latest foal is a son of Zarak born in 2025. Under the multiple stakes-winning third dam Secret Garden (Danehill) is G1 Irish 2000 Guineas hero-turned-sire Roderic O'Connor.Ballylinch Stud's Lope De Vega sports a strong record in the U.S., with 57 winners from 104 runners (55%). Of his 13 stakes winners, five have struck at the top table, with Lane's End sire Carl Spackler his most decorated runner.Koekkoek Sails Home At Del MarPinatubo gelding Koekkoek got off the mark in his fifth start and first at Del Mar on July 18 (video). Trained by Phil D'Amato, the three-year-old races for the Benowitz Family Trust, McLean Racing Stables, Strand Beach, Michael Nentwig & Jeremy Peskoff.Part of the Morera Partnership breeding programme, the bay raced in those silks to a fourth-place finish over the Dundalk all-weather for conditioner Henry de Bromhead. Out of German listed winner Sarinda (Dubawi), Koekkoek is a half-brother to multiple stakes-placed Zain Sarinda (Churchill) and a weanling colt by Look De Vega. Rock Of Gibraltar features in the extended family.Darley's Pinatubo is responsible for eight winners from nine runners (89%) in the U.S. Overall, he has sired a dozen stakes winners internationally.Almanzor Gelding Strikes In DelawareDahman's I Am I Said won for the third time in six starts at Delaware Park on July 24 (video). The four-year-old gelding by Almanzor was bred by James Wigan and trained by Miguel Clement.The fifth foal out of the winning Galileo mare Tesoro, the dark bay brought 72,000gns as a Tattersalls December weanling before hammering for 110,000gns out of the Tattersalls October Yearling Sale Book 2 in 2023. Originally racing for Valmont and Ellipsis II in the U.K. for Ralph Beckett, I Am I Said is a half-brother to GII Royal North Stakes second Sweet Enough (Lope De Vega) and the multiple stakes-placed Enfijaar (Lope De Vega). He is followed by juvenile filly Zither (Zarak), a yearling half-brother by St Mark's Basilica and a weanling filly by Night Of Thunder. His dam is a full-sister to GI First Lady Stakes and GI Rodeo Drive Stakes heroine Photo Call, the duo granddaughters of blue hen Cassandra Go (Indian Ridge).The sire of 31 stakes winners worldwide, including G1 Prix de Diane and GI Breeders' Cup Filly & Mare Turf winner Gezora among his four Group/Grade 1 winners, Cambridge Stud's Almanzor is credited with nine winners from 10 to race (90%) in the U.S. His other stakes winner there is Unanimous Consent, the winner of the Listed Woodhaven Stakes at Aqueduct.Repeat WinnersMultiple Grade I winner Program Trading (Lope De Vega) added the fifth black-type tally to his record with a win in the GII United Nations Stakes at Monmouth on July 18 (video). The Klaravich Stables runner is trained by Chad Brown.Placed at group level in Ireland and graded level in the U.S., Vina Arana (Make Believe) earned the first black-type victory of her career in the GII Nassau Stakes at Woodbine on July 19 (video). Owned by Sterling Stables and MHM Stables, the mare is trained by Jack Sisterson.Grade I winner King Of Gosford (Zoustar) won Del Mar's Wickerr Stakes for the Benowitz Family Trust, CYBT, Saul Gevertz, Michael Nentwig & Jeremy Peskoff on July 19 (video). Trained by Phil D'Amato, the five-year-old entire claimed the 2026 Shoemaker Mile Stakes.Earning his second lifetime win, Wells Watson's Melismatic (Space Blues) prevailed at Del Mar on July 19 (video). Trained by Phil D'Amato, the three-year-old colt is a relative of the dual top-level winner Just The Judge (Lawman).The post Making Waves: Quick Call Claimed By Learntodiscover appeared first on TDN | Thoroughbred Daily News | Horse Racing News, Results and Video | Thoroughbred Breeding and Auctions.