Look back on the 450 Triple Crown highlights from Supercross Round 7 in Arlington, where Cooper Webb bests Chase Sexton and Eli Tomac to win. #NBCSports #Supercross #Arlington » Subscribe to Motorsports on NBC: null » Want more Supercross? Check out NBC Sports Gold: https://www.nbcsports.com/gold/supercross » 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 new media rights agreements with INDYCAR and International Motorsports Association (IMSA), NBC Sports will have more than 1,500 hours of motor sports coverage spanning NASCAR, INDYCAR, IMSA, Mecum Auctions, Monster Energy AMA Supercross, the Lucas Oil Pro Motocross Championship, Monster Jam, and Powernation. 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 visiting 13 different states in 2019. 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 Relive the top moments from Supercross 450 Arlington | Motorsports on NBC null