This much we know: Mission Brief was one of the most talented two-year-old trotting fillies to ever grace the racetrack. But will she go down as one of the all time greats, maybe the greatest trotting filly ever?
She could and that's what makes her 3-year-old campaign the most exciting story of 2015.
"I embrace the hype," trainer Ron Burke said. "She's done things that no other horse ever did." ...more >