David Ma has seen U.S. national soccer teams play in seven stadiums in three countries on two continents.
But he never felt more in danger than on a Saturday night in 2011 at the Rose Bowl, when the U.S. lost to Mexico, 4-2, in front of 93,420 fans.
"Beer and beer bottles were thrown at us," Ma remembers. "After the match, many fights broke out, with no security or police in sight. Looking back I did feel threatened for wearing red, white and blue. There was violence all around."
Despite that, Ma will be back in a sold-out Rose Bowl this Saturday night when the U.