Carlo Ancelotti has selected a 4-4-2 formation with a diamond midfield for his first Chelsea match.
Deco will play an unfamiliar holding role with Frank Lampard as the most attacking midfielder.
The back five are the same as in the FA Cup Final while with no Africans considered to start, Daniel Sturridge begins his first Chelsea match up front alongside Nicolas Anelka.
Please note that Chelsea squad numbers are for pre-season only and may change for the season proper.
The Sounders name former Arsenal and Spurs pair Freddie Ljungberg and Kasey Keller in their side.
Chelsea will line-up in a 4-1-4-1 formation as follows :
1 Petr Cech
17 José Bosingwa
33 Alex
26 John Terry (c)
3 Ashley Cole
20 Deco
13 Michael Ballack
15 Florent Malouda
8 Frank Lampard
39 Nicolas Anelka
23 Daniel Sturridge
Substitutes: All the rest of the travelled squad.
The Sounders are expected to line up in the following 4-3-3 formation:
Keller; Riley, Hurtado, Marshall, Wahl; Ljundberg, Alonso, Zakuani; Montero, Vagenas, Jaqua.
The referee is Alex Prus.
1-0 Sturridge Goal
2-0 Frank Lampard Goal
