If having the winner of the Prix de l'Arc de Triomphe counted as a breakthrough moment for Siyouni (Fr) in 2020, his reputation climbed higher still as his son St Mark's Basilica (Fr) romped through his Classic year, winning the Poule d'Essai des Poulains, Prix du Jockey Club, Eclipse S. and Irish Champion S. on his way to becoming the top-rated horse in the world in 2021. Both he and Sottsass are now residents of the Coolmore stallion barn, where they will be given plenty of opportunities to attempt to...