PASL wants united North American indoor soccer scene; willing to work with MISL 22 May 2011 The Professional Arena Soccer League wants to work with the Major Indoor Soccer League. While the United Soccer Leagues, which took over the administration of the MISL last week, has made it clear that it thinks that its league is by the best indoor league on the continent, the PASL hopes the two leagues can discuss interleague play and competing against each other in Cup tournaments.