Complex sentence: Leonard's sophomore season, he averaged 15.7 points and 10.4 rebounds per game as the Aztecs finished with a 34--3 record and won back-to-back conference tournament championships.
Split into simpler sentences: Leonard's sophomore season, he averaged 15.7 points and 10.4 rebounds per game. Leonard led the Aztecs to a 34--3 record and back-to-back conference tournament championships.