Devin Johnson scored 29 points to lead the Tigers to a 4A GSHL road win.
Battle Ground held the Thunder scoreless for 11 minutes to take a 27-4 lead during the second quarter.
Mountain View, which trailed 29-12 at halftime, rallied in the second half. The Thunder (3-10, 0-5) pulled within eight before Battle Ground (8-6, 3-2) iced the game with free throws down the stretch.
I’m proud of my guys,” Thunder coach Aaron Shepherd said. “They could have easily folded.”
BATTLE GROUND 67, MOUNTAIN VIEW 49
BATTLE GROUND — Joe Carroll 4, Nate Moring 0, Kellen Butler 5, Cole Scheibel 4, Landon Hall 0, Kobe Ford 5, Zack Palacios 0, Devin Johnson 29, Andrej Besara 6, Leland O’Hanlon 4, Keaton Hoots 10. Totals 25 (2) 15-25 67.