Amp’d Mobile Supercross at SBC Park in San Francisco
Kawasaki’s James Stewart, of Haines City, Fla., won a mud-filled battle at Saturday night’s Amp’d Mobile World Supercross GP/Amp’d Mobile AMA Supercross race before a crowd of 37,557 at SBC Park in San Francisco. KTM’s Nathan Ramsey, of Menifee, Calif., won the Western Region AMA Supercross Lites.
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