The Octagon will be headed back to Sweden on May 28 .
The main event will be Alexander Gustafsson ( 17 - 4 ) versus Glover Teixeira ( 26 - 5 ) .
The Octagon will be headed back to Sweden on May 28 , and the main event will be Alexander Gustafsson ( 17 - 4 ) versus Glover Teixeira ( 26 - 5 ) .