GoPro on-board footage from the MB Tractor & Equipment Southwick National, Round 6 of the 2019 Lucas Oil Pro Motocross Championship.

A recap of all the action from Amateur Day at the 2019 US Assure Florida National.

MotoSport.com Holeshot replays from the MB Tractor & Equipment Southwick National, Round 6 of the Lucas Oil Pro Motocross Championship.

Billy Ainsworth led a local sweep of the podium in the 125cc All Star Series at the Southwick National.

Video highlights of the MB Tractor & Equipment Southwick National, Round 6 of the 2019 Lucas Oil Pro Motocross Championship.

Results of the MB Tractor & Equipment Southwick National, Round 6 of the 2019 Lucas Oil Pro Motocross Championship.

Qualifying is complete at the Southwick National, where Marvin Musquin and Justin Cooper topped the time sheets following the morning sessions.

Fredrik Noren will join JGRMX/Yoshimura/Suzuki Factory Racing for the remainder of the Lucas Oil Pro Motocross Championship, beginning with the MB Tractor & Equipment Southwick National.

Rockstar Energy Husqvarna Factory Racing's Michael Mosiman will miss the MB Tractor & Equipment Southwick National due to injury.

Monster Energy/Yamaha Factory Racing's Aaron Plessinger will make his 450 Class debut at the MB Tractor & Equipment Southwick National.

Current season statistics heading into the MB Tractor & Equipment Southwick National, Round 6 of the Lucas Oil Pro Motocross Championship.

MX vs ATV provides a virtual look at the track layout for the MB Tractor & Equipment Southwick National, Round 6 of the 2019 Lucas Oil Pro Motocross Championship.