Watch: Press conference from Las Vegas
Before any on-track activity started in Las Vegas, the top Monster Energy Supercross riders met with the media to preview Saturday night's finale.
Championship leader Ryan Dungey and title rival Eli Tomac were on hand to represent the 450SX Class, along with the rest of the top five in points - Marvin Musquin, Jason Anderson and Cole Seely.
The five riders reflected on a dramatic 2017 season, talked future plans and even traded blows. A poignant moment came at the 7:32 mark when Tomac address the alleged team orders within Red Bull KTM. You can watch their full press conference via the video above.
The 250SX Class was represented by West champion Justin Hill as well as East championship leader Jordon Smith and title combatants Zach Osborne and Joey Savatgy. You can watch their press conference via the video below.
Be sure to catch the Monster Energy Supercross finale Saturday night on FS1 at 10pm ET / 7pm PT. International coverage can be seen here: supercrosslive.com/live-race.