Coolmore's first-season sire Saxon Warrior (Jpn) (Deep Impact {Jpn}) is off the mark after his son Ser Sed (Ire) captured the 5 1/2-furlong Prix Mercier for unraced juveniles at Le Lion d'Angers on Sunday evening. Professional to load and speedy from the gates, the February-foaled bay who is owned by Azeddine Sedrati and Jean-Claude Seroul was steadied to track the leading trio by Hugo Lebouc. Delivered wide in the short straight, the Joel Boisnard trainee grabbed the lead passing the furlong pole and saw off the 9-10 favourite Once Upon a...