The Tag League Greatest is a professional wrestling round - robin tag team tournament held by tournament to determine the inaugural Wrestle - 1 Champion , it was announced that Wrestle - 1 would also be introducing its own tag team championship .
The Tag League Greatest is a professional wrestling round - robin tag team tournament held by Wrestle - 1 . 
 It was created in 2014.n September 22 , 2014 , during the second day of a tournament to determine the inaugural Wrestle - 1 Champion , it was announced that Wrestle - 1 would also be introducing its own tag team championship .