Mater Dei's Stanley Johnson headlines look at nation's top juniors for 2012-13 season.
Junior star Trey Lyles injures his knee; Bethea sets Washington record.
Highlights of Trevon Blueitt (#23), Jayquan Lyle (#5), Johnathan Wilkins (#50), Trey Lyles (#41), Brenton Scott (#3), Bryson Scott (#11), Vittorio Brown (#33), and Tony Willis (#1) of team Indy Speice...