Seattle Sounders set the average attendance record after their final game of the season at Qwest Field on the weekend.

A crowd of 33,108, a Sounders record, turned up to see their side defeat FC Dallas and book their place in the play-offs in jus the franchise's first season.

That number took their per game average attendance to 30,943, a new MLS record for the regular season, and would have them as the 50th best supported club in the world.

The following are the records for all-time average attendance in MLS:

2009 Seattle Sounders - 30,943 1996 LA Galaxy - 28,916 2008 LA Galaxy - 26,009 2007 LA Galaxy - 24,252 2005 LA Galaxy - 24,204 1996 NY/NJ MetroStars - 23,898 2004 LA Galaxy - 23,809 1997 New England Revolution - 21,423 1998 LA Galaxy - 21,784 2001 DC United - 21,518