Dennis Smith Jr. was coming off a last-second gaffe in a Dallas loss when the second-year guard came through with two critical plays in a win over Oklahoma City: one at each end of the court. The 21-year-old hit the go-ahead layup before defending on a miss by Paul George , and the Dallas Mavericks surged past the Thunder late in a 105-103 victory Sunday night. Read more http://www.espn.com/nba/recap?gameId=401071215