No. 9 Sierra Canyon (Chatsworth) used a big run late to knock off perennial power Mater Dei (Santa Ana) 60-53 in California's Southern Section Open Division playoffs Tuesday night. The host Trailblazers improved to 2-0 in the pool play format thanks to a 16-3 surge over the final 4:23 of the game to erase a six-point deficit. (video by Justin Cuevas)