Complex sentence: However, after a horrific start to the 2013--14 Danish Superliga season, FCK fired manager Ariël Jacobs, rehiring Ståle Solbakken as his replacement on a two-year contract with the option for a further two-year extension.
Split into simpler sentences: However, after a horrific start to the 2013--14 Danish Superliga season, FCK fired manager Ariël Jacobs, rehiring Ståle Solbakken as his replacement. Solbakken was given a two-year contract with the option for a further two-year extension.