Tom Boonen will lead team Quick Step in this Saturday's Milano-Sanremo. He is "our absolute captain," the team said.
Lieutenants Allan Davis and Sylvain Chavanel will support the 28-year-old.
Lance Armstrong is riding the race for the first time since 2002, when he finished 44th and will line-up with his teammate Yaroslav Popovych.
Quick-Step: Carlos Barredo, Tom Boonen, Sylvain Chavanel, Allan Davis, Jérôme Pineau, Matteo Tosatto, Marco Velo and Wouter Weylandt.
Astana: Lance Armstrong, Assan Bazayev, Maxim Iglinsky, Dmitriy Muravyev, Gregory Rast, Michael Schär, Yaroslav Popovych and Thomas Vaitkus. (SW)