BUCHANAN, Mich. — Ryan Dungey raced to his fourth straight AMA Pro Motocross victory, sweeping the 450 Class motos Saturday at RedBud USA.

Dungey, the Red Bull KTM star from Belle Plaine, increased his lead in the season standings to 72 points over Suzuki’s Mike Alessi.

Dungey has swept the motos in his four consecutive victories. Justin Brayton, the Team Honda Muscle Milk rider from Fort Dodge, Iowa, was second overall, finish third in the first moto and fourth in the second. Team Yoshimura Suzuki’s James Stewart, from Haines City, Fla., was third overall in his return to action. He was sixth in the first moto and third in the second.

“Having James (Stewart) back this week was good to add another challenge, and it’s good for the sport,” Dungey said. “We made some more changes to the bike coming into (today) and I think we’ve made even more progress. My starts were good and I knew getting out front would make life easier, having a whole track to work with. It’s (too) early to think points, but you’ve got to be smart. With James back, you knew he’d be there, so I didn’t want to downplay him. I just wanted to get a good start and see how things played out.”