U.S. advances in Gold Cup; Altidore apparently bitten by foe

United States’ Omar Gonzalez (3) reacts with teammates after scoring a goal during a CONCACAF Gold Cup quarterfinal soccer match against El Salvador, in Philadelphia, Wednesday, July 19, 2017. (AP Photo/Matt Rourke)United States’ Eric Lichaj (15) reacts after kicking a goal during a CONCACAF Gold Cup quarterfinal soccer match against El Salvador in Philadelphia, Wednesday, July 19, 2017. (AP Photo/Matt Rourke)United States’ goalie Tim Howard (24) makes a save during a CONCACAF