Monster Energy/Pro Circuit/Kawasaki's Darian Sanayei will miss the rest of the 2020 season following shoulder surgery.

MotoSport.com Holeshot replays from the Circle K RedBud I & II Nationals, Rounds 4 & 5 of the 2020 Lucas Oil Pro Motocross Championship.

Video highlights of the Circle K RedBud II National, Round 5 of the 2020 Lucas Oil Pro Motocross Championship.

Results of the Circle K RedBud II National, Round 5 of the 2020 Lucas Oil Pro Motocross Championship.

A gallery of some of the best shots from the Circle K RedBud II National on September 7, courtesy of Align Media.

Video highlights of the Circle K RedBud I National, Round 4 of the 2020 Lucas Oil Pro Motocross Championship.

A gallery of some of the best shots from the Circle K RedBud I National on September 4, courtesy of Align Media.

Video highlights of the Guaranteed Rate Ironman National, Round 3 of the 2020 Lucas Oil Pro Motocross Championship.

A gallery of some of the best shots from the Guaranteed Rate Ironman National on August 29, courtesy of Align Media.

Video highlights of the MotoSport.com Loretta Lynn's 2 National, Round 2 of the 2020 Lucas Oil Pro Motocross Championship.

Results of the MotoSport.com Loretta Lynn's 2 National, Round 2 of the 2020 Lucas Oil Pro Motocross Championship.

A gallery of some of the best shots from the Motosport.com Loretta Lynn's II National on August 22, courtesy of Align Media.