Troy Lee Designs/Red Bull KTM

#26—Alex Martin

Comment: Martin missed a majority of Monster Energy Supercross after fracturing his wrist in San Diego, but will be back for Hangtown. He missed the last four rounds of the Lucas Oil Pro Motocross Championship in 2017 with a broken collarbone, but was running second in points before the injury.

#28—Shane McElrath

Comment: McElrath had two moto podiums and finished tenth overall in 2017.

#43—Sean Cantrell

Comment: Cantrell finished 14th overall in the 250 Class in his rookie year.

#45—Jordon Smith

Comment: Smith missed nearly all of the 2017 Lucas Oil Pro Motocross Championship due to a back injury , then later a foot injury sustained at High Point.

Rocky Mountain ATV/MC-KTM-WPS

#42—Dakota Alix

Comment: Alix raced the 450 Class with the team last year and finished 14th overall. He will race a 250 this year.

#56—Anthony Rodriguez

Comment: A-Rod was signed to a supercross-only deal with the team and will not contest the Nationals. Instead, he will fill in for the injured Vsevolod Brylyakov on the Kemea Yamaha Official MX2 team in the FIM Motocross World Championship.

Rockstar Energy Husqvarna

#1—Zach Osborne

Comment: Osborne was expected to move to the 450 Class for Lucas Oil Pro Motocross, but that changed earlier this year and he will defend his #1 plate. He’s won three (two 250SX; one 250 Pro Motocross) championships in the last year and a half.

#30—Mitchell Harrison

Comment: Harrison finished ninth overall with one moto podium last year with Yamalube/Star Racing Yamaha.

#64—Michael Mosiman

Comment: Mosiman missed all but four rounds of his rookie season last year due to a shoulder injury. He finished 22nd in the championship.

#133—Jordan Bailey

Comment: The Florida native will make his pro debut with the team at Hangtown. Bailey won seven titles at Loretta Lynn’s during his amateur career.

Autotrader/Yoshimura Suzuki

#46—Justin Hill

Comment: 2018 will mark Hill’s last year in the 250 Class, as he’s set to move to the 450 Class in 2019. This is his first year with JGR.

#47—Jimmy Decotis

Comment: No exact timetable on Decotis’ return has been announced. He sustained fractured ribs and vertebrae in a crash at Daytona.

#54—Phil Nicoletti

Comment: Nicoletti will race select rounds in the 450 Class with the team as a fill-in for the injured Justin Bogle.

#76—Kyle Peters

Comment: Peters was supposed to fill in for the injured Jimmy Decotis, but sustained a torn ACL and MCL in Minneapolis and will miss the entire season.

#816—Enzo Lopes

Comment: The Brazilian will make his pro debut at Hangtown , filling in for the injured Decotis. Lopes, 18, originally from Lajeado, Brazil, has won 11 Brazilian National Championships and finished runner-up at Loretta Lynn’s twice during his amateur career .

Monster Energy/Yamalube/Star Racing Yamaha

#23—Aaron Plessinger

Comment: The current 250SX West Region champion finished fourth overall in 2017, but had four motos where he scored zero points.

#24—Dylan Ferrandis

Comment: The native of France is entering his second year racing in the U.S. for the team. He recently signed a two-year extension to remain with Monster Energy/Yamalube/Star Racing Yamaha. His status for the opener is still yet to be decided at this time after he broke his arm and injured his jaw in Atlanta. 

#31—Colt Nichols

Comment: Nichols broke his humerus for a second time since December in March and missed the rest of supercross. No timetable has been announced on a return, but he’s expected to miss at least the first couple rounds. 

#52—Mitchell Oldenburg

Comment: Oldenburg tore his MCL and ACL in a practice crash in April. No timetable on a return has been announced.

#62—Justin Cooper

Comment: The 2017 AMA Horizon Award winner raced the last three rounds of the championship with the team last year and scored second place in just his second career moto in the mudfest at Unadilla. He missed all but one round of supercross due to a concussion and rib and shoulder injuries.