Welcome to TheDirtbike Hub!This is the place to get your daily motocross and supercross news. Monster Energy cup Mxgp news: Antonio Cairoli won the Mxgp championship, with Jeffrey Herlings getting 2nd in the standings. Paul Jonass won the Mx2 division in 2017 Ama Motocross: Eli Tomac wins the 450 class championship over Marvin Musquin. Zach Osborne took home the trophy in the 250 class, wit Jeremy Martin taking 2nd