Complex sentence: Three weeks after Linden was hired, the Canucks announced that head coach John Tortorella was fired, as well as assistant coach Mike Sullivan; both Tortorella and Sullivan had only just been hired prior to the start of the 2013--14 season.
Split into simpler sentences: Three weeks after Linden was hired, the Canucks announced that both head coach John Tortorella and assistant coach Mike Sullivan were fired. Both Tortorella and Sullivan had only just been hired prior to the start of the 2013--14 season.