Granite Hills High alum Robert Petrich kicked a 33-yard field goal as time expired Saturday, giving San Diego Mesa a 45-42 football victory over Riverside, according to EastCountySports.com.

Mesa scored 24 points in the fourth quarter at Merrill Douglas Stadium. After Riverside tied the game with 47 seconds left, the Olympians moved 59 yards to set up Petrich’s winning attempt.

Several other East County alumni contributed. Former Helix player Isaiah Jackson rushed for 95 yards and a touchdown, and Helix alum Kyzza Matovu caught a fourth-quarter touchdown pass. Monte Vista graduate Alexander Villanueva scored Mesa’s opening touchdown.

Mesa earned the No. 4 seed and will host Golden West on Saturday, Nov. 14, in a Southern California regional quarterfinal. The winner advances to face Saddleback on Nov. 21.

Source: EastCountySports.com.