Monster Energy Kawasaki: Both Ryan Villopoto and Jake Weimer are confirmed to be racing.
Honda Muscle Milk: Justin Barcia, last year’s MEC winner, is racing. Trey Canard is not.
Red Bull KTM: A full load here, with Ryan Dungey and Ken Roczen on 450s, and Marvin Musquin and guest rider Austin Politelli on 350s.
Yoshimura Suzuki: James Stewart is confirmed to race. This will be his first Monster Energy Cup.
Monster Energy/Pro Circuit Kawasaki: Only Dean Wilson will compete, and he will be on a 450. Arenacross Champion Tyler Bowers will also compete on his Team Babbitts Kawasaki KX450F.
GEICO Honda: Eli Tomac, a winner of a main event last year, is back on a 450. Zach Osborne is also racing on a 450. New 250 East SX Champion Wil Hahn and the rest of the pro team is not racing. Amateur standout Jordon Smith will race for the team in the Amateur All Stars event.
Ryan Villopoto will be back in action following off-season surgery.
Simon Cudby photo
Ram/RCH Suzuki: Broc Tickle is confirmed.
JGR Toyota Yamaha: Josh Grant is racing, Justin Brayton (who recently had minor surgery on his leg) is not.
Lucas Oil/Troy Lee Honda: Cole Seely and Malcolm Stewart will race on 450s, Jesse Nelson will compete on a 250.
BTOSports.com KTM: Andrew Short and Matt Goerke are confirmed to race.
MyPlash/Star Racing Yamaha: Cooper Webb is confirmed to race on a 450. Jeremy Martin is not racing.
MotoSport.com/Crossland Racing: New team with Jimmy Albertson, will be racing.
Nick Wey: Confirmed, racing for his Moto Mafia team.
Kyle Chisholm: Making his return to racing this weekend, will be on a Yamaha.
James Stewart will make his Monster Energy Cup debut.
Simon Cudby photo
Chris Blose: Confirmed, racing a 2012 Honda with help from N-Fab and Hart and Huntington.
Rock River Yamaha: Alex Martin and PJ Larsen will be racing Yamaha 450s under this tent this weekend.
Josh Hill/Weston Peick/Gavin Faith: These boys are all racing down in Australia so they won’t make the Monster Cup.
TwoTwo Motorsports: Chad Reed is not racing.
Rockstar Energy Racing: Not racing.
MotoConcepts: Currently have Mike Alessi and Kyle Cunningham under contract, but neither are racing Monster Energy Cup.
Phil Nicoletti: Not racing.
Vince Friese: Broken collarbone, not racing.
Team 51Fifty Energy: Recently signed Jake Canada, but not racing Monster Energy Cup.