Complex sentence: Lavelli made his Celtics debut on November 24,1949 in a game against the Fort Wayne Pistons, tallying 20 points "Celtics bow, Lavelli gets 20".
Split into simpler sentences: Lavelli made his Celtics debut on November 24,1949 in a game against the Fort Wayne Pistons. He tallied 20 points in his first game "Celtics bow, Lavelli gets 20".