On February 21 Marta will sign autographs at Soccer Nation Expo at the Los Angeles Convention Center. More than 40.000 people are expected to attend the Soccer Nation Expo, which is the biggest soccer festival in the United States. "We're very excited and proud to have Soccer Nation Expo be Marta's first appearance since joining the LA Sol. It will be a great reception for Marta and a positive connection between the Expo crowd, the LA Sol and Women's Professional Soccer," said John Weinerth, CEO of California Youth Soccer Association. Marta will appear at the convention center from 2-3 PM.