Fill in the Caption July 2013 by Webministrator | Jul 31, 2013 | News | 0 comments Go ahead. Fill in the caption. You can do it! The photo is of Marvin Musquin (2009, 2010 FIM World MX2 Motocross Champion) and his Red Bull KTM USA teammate Kenny Roczen (2011 FIM World MX2 Motocross Champion). Supercross.com Twitter Supercross.com Facebook Submit a Comment Cancel reply Your email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email.