Complex sentence: He fell unconscious, broke his cheekbone, swallowed his tongue and got serious cuts in his face; he returned to play a month later and, in 2005--06, was the team's top scorer with 11 league goals.
Split into simpler sentences: He fell unconscious, broke his cheekbone, swallowed his tongue and got serious cuts in his face. He returned to play a month later and, in 2005--06, was the team's top scorer with 11 league goals.