U.S. coach Bruce Arena trimmed his 27-player training camp roster to 19 players for the Dec. 9 friendly against South Korea in Seogwipo. (Tape delay on ESPN on Dec. 10 at 1 p.m. ET.) All 19 players are MLS players, including seven players from the Chicago Fire and four from champion San Jose Earthquakes. GOALKEEPERS: Tim Howard (MetroStars), Zach Thornton (Chicago). DEFENDERS: Jeff Agoos (San Jose), Carlos Bocanegra (Chicago), Danny Califf (Los Angeles), Carlos Llamosa (Miami), Pablo Mastroeni (Miami), Richard Mulrooney (San Jose). MIDFIELDERS: Chris Armas (Chicago), Jeff Cunningham (Columbus), Landon Donovan (San Jose), Diego Gutierrez (Chicago), Cobi Jones (Los Angeles), Manny Lagos (San Jose), Jesse Marsch (Chicago). FORWARDS: Brian McBride (Columbus), Ante Razov (Chicago), Brian West (Columbus), Josh Wolff (Chicago).