Complex sentence: In early 1963, after averaging 23 points per game and 14 rebounds per game in 10 games, he injured his left knee in a game against Duquesne University, underwent surgery, and was sidelined for a good portion of the year.
Split into simpler sentences: In early 1963, after averaging 23 points per game and 14 rebounds per game in 10 games, he injured his left knee in a game against Duquesne University. He underwent surgery, and was sidelined for a good portion of the year.