Jason Weigandt and Daniel Blair discuss Haiden Deegan and Colt Nichols earning Rookie of the Year honors, preview the upcoming Pro Motocross season, provide an update on 450 injuries, and more. #NBCSports #Supercross #SuperMotocross » Subscribe to Motorsports on NBC: null » Get the latest motor sports news on NBC Sports: https://www.nbcsports.com/motors » Watch Live races on NBCSports.com: http://www.nbcsports.com/live NBC Sports – the home of motorsports – features unparalleled motorsports programming, fueled by the network’s media rights agreements with NASCAR and IndyCar, NBC Sports has more than 1,500 hours of motor sports coverage spanning NASCAR, IndyCar, Monster Energy AMA Supercross, Pro Motocross Championship, SuperMotocross World Championship, IMSA, MotoGP, World Superbike, Nitrocross, and Dakar Rally. Subscribe to our channel for the latest motors news and highlights! Monster Energy AMA Supercross, an FIM World Championship, is the most competitive and highest-profile off-road motorcycle racing championship on the planet. Over 17 weeks and a million-dollar All-Star Race, Supercross attracts some of the largest and most impressive crowds inside the most recognizable and prestigious stadiums in North America to race in front of nearly one million live fans and broadcast to millions more worldwide. Visit NBC Sports: https://www.nbcsports.com/motors Follow Motorsports on NBC on Twitter: https://twitter.com/MotorsportsNBC Find NBC Sports on Facebook: https://www.facebook.com/NBCSports Follow NBC Sports on Twitter: https://twitter.com/nbcsports Follow NBC Sports on Instagram: https://www.instagram.com/nbcsports Subscribe to NBC Sports on YouTube: null https://nbcsports.com/motors/nascar Deegan and Nichols earn rookie honors; Pro Motocross preview; 450 update | Motorsports on NBC null