Grass Wonder (Silver Hawk) has died at the age of 30, Japan's Big Red Farm announced on Friday. The 1997 Japanese champion juvenile colt, the paternal grandsire of 2015 Japanese Horse of the Year Maurice, was diagnosed with multiple organ failure on Thursday and died August 8. A statement from the farm read, "Grass Wonder passed away today, August 8, 2025. He was undefeated from his debut, winning the Asahi Hai in record time and had a brilliant career as a racehorse, including three consecutive Grand Prix victories. "As a...