Top-10 Battle! #7 Mount Si vs #3 Lake Washington | HS Basketball

🔥 UPSET ALERT 🔥 #7 Mount Si shocks the gym with a HUGE win over #3 Lake Washington in an intense boys basketball matchup! Mount Si comes through in the clutch, locking in on defense and hitting big shots down the stretch to pull off the upset by 4 points. The crowd was rocking, momentum swung late, and Mount Si finished strong to seal the win. If you love high-energy high school hoops, this one’s a must-watch 🏀 Final Score: Mount Si wins by 4 #MountSi #LakeWashington #HighSchoolBasketball #BasketballHighlights #UpsetWin #Hoops #BoysBasketball #GameHighlights