YouTube Description:  La Costa Canyon senior forward Matt Shrigley throws down a posterizing one-handed dunk over La Verne Lutheran guard Jay Miller at the San Diego vs. Los Angeles Hoops Challenge at Lincoln High on Jan. 7. The San Diego State-bound Shrigley completed the three-point play and finished with 17 points in La Costa Canyon’s 62-48 loss. For more San Diego high school basketball, visit www.sdreader.com/basketball or follow the Fast Break on Twitter.