Basel have sealed their eighth straight Swiss Super League title with six games left.
A 2-1 win at Lucerne sent Basel 24 points clear of Young Boys, who have seven games to play.
Basel qualify direct into the group stage of the UEFA Champions League next season.
Still, a second straight title under coach Urs Fischer could not save his job.
Former Switzerland midfielder Raphael Wicky has been appointed to take over as first-team coach next season.