Grenadier Guards (Jpn), the first foal out of the 2015 GI Breeders' Cup Filly & Mare Sprint winner Wavell Avenue (Harlington), became Frankel's 12th Group 1 winner in Sunday's G1 Asahi Hai Futurity S. in Japan. Stalking the pace off the six-length lead set by Mondreise (Jpn) (Daiwa Major {Jpn}), Grenadier Guards was poised in second by the time they straightened. Grenadier Guards gradually cut down that rival's advantage in the lane, hit the lead at the furlong marker and held off a rallying Stella Volce (Jpn) (Bago {Fr}) to...