Foster's 10 touchdowns broke the Arizona state record. And while it's unclear if anyone else has had 10 TDs, no one has had more than 10 in the past four decades, according to the National High School Sports Record book.
Foster needed just 20 carries to reach 508 yards - an average of just over 25 yards per carry. His longest run was 80 and it went for one of his seven rushing touchdowns. He also caught three touchdown passes.
Foster, a 5-11, 180-pound senior, is one of top recruits in the nation. He is ranked as the fifth-best running back nationwide and the 84th best overall recruit.
Wanted by most big-name schools, Foster has said he's down to choosing between Arizona State and Oregon.
Foster's 10 TDs give him 51 on the season, tying the single-season state record in Arizona. He'll get a chance to break that mark next Thursday, when Saguaro (9-2) plays at Queen Creek in a state quarterfinal game.