SAN DIEGO, CA - JANUARY 29: Head coach Bruce Arena of the United States looks on during pregame warm-ups prior to their match against Serbia at Qualcomm Stadium on January 29, 2017 in San Diego, California. (Photo by Kent Horner/Getty Images)
SAN DIEGO, CA - JANUARY 29: Head coach Bruce Arena of the United States looks on during pregame warm-ups prior to their match against Serbia at Qualcomm Stadium on January 29, 2017 in San Diego, California. (Photo by Kent Horner/Getty Images)