Complex sentence: The club appointed Avram Grant as their new manager on 3 June 2010, following the sacking of Gianfranco Zola at the end of a disappointing 2009--10 season.
Split into simpler sentences: The club appointed Avram Grant as their new manager on 3 June 2010. This was following the sacking of Gianfranco Zola at the end of a disappointing 2009--10 season.