Fontana, Calif. (Auto Club Speedway PR) – Day two of the AMA Pro Road Racing Series—the Suzuki AMA Pro Superbike Challenge at Auto Club Speedway proved to be history in the making.  Mat Mladin rode his No. 7 Rockstar/Makita Yoshimura Suzuki GSX- R1000 across the finish line winning his seventh AMA Pro American Superbike race at Auto Club Speedway, a new track record for most wins at ACS.