Presale of tickets to MLS Cup 2009 are now on sale ... provided you make your purchase with a Visa card.
As you probably know, the MLS championship game will be played at Qwest Field on Nov. 22. As you also probably know, tickets are included as part of the Sounders season ticket package.
Tickets go on sale to the general public without restrictions on Sept. 21.
Here's the presale information from MLSnet.com.