The Joe Gibbs motocross and supercross programs are excited to announce that CytoSport s Muscle Milk will be their new sponsor as they head into 2010. Josh Grant will be joining Muscle Milk s Toyota Team alongside Joe Gibbs Racing newcomer Justin Brayton who has been with the Muscle Milk athlete program since 2008. The Joe Gibbs Racing Complex in Huntersville, North Carolina will also be showing its love for Muscle Milk with a new CytoSport training facility for Joe Gibbs team members.