how old is jb mauney
A Q&A With World Champion Bullrider J.B. Mauney. JB Mauney at the 2013 PBR World Finals. J.B. Mauney is tougher than you. This is just a fact. Watch tape of the 27-year-old bull rider in action, and you realize heâs doing things that make your average CrossFit routine look like a lazy Sunday nap.