For the Sounders FC organization, it was their fifth year of existence, and including all previous clubs, it was the 33rd season of soccer in Seattle.

Note: Flags indicate national team as defined under FIFA eligibility rules.

[2] Seattle finished its 2012 season by releasing Mike Seamon and Andrew Weber on December 4.

[3] Three days later, the club traded Jeff Parke to the Philadelphia Union in exchange for the fifth pick in the 2013 MLS Supplemental Draft.

Last updated: November 7, 2013Source: Competitive matches Italic: denotes no longer with club.

Last updated: November 7, 2013Source: Competitive matches Italic: denotes no longer with club.

The list is sorted by shirt number when total clean sheets are equal.

Last updated: November 7, 2013Source: Competitive matches Italic: denotes no longer with club.

Last updated: November 7, 2013Source: Squad statistics and Start formations Only competitive matches.