Complex sentence: His departure coincided with Wimbledon's relegation from the Premier League after 14 years of top flight football, and he signed for Wycombe Wanderers, making 18 league appearances over the next two seasons before finally retiring as a player at the age of 29.
Split into simpler sentences: His departure coincided with Wimbledon's relegation from the Premier League after 14 years of top flight football. He then signed for Wycombe Wanderers, making 18 league appearances over the next two seasons before finally retiring as a player at the age of 29.