Griffin Johnson may not be well known within horse racing circles, but that doesn't mean he can't help the sport. For decades, racing has been fighting a losing battle when it comes to attracting a younger audience. That's where Johnson comes in. He is a social media influencer who has 9.7 million followers on TikTok and 2.6 million on Instagram. He's also a horse owner. Johnson is part of the West Point Thoroughbreds group that owns GI Arkansas Derby winner and GI Kentucky Derby contender Sandman (Tapit). He'll be at...