of dorfman south stand.lled the yellow wall. 25,000 fans, bounce along with the ball, through misery. to euphoria. a collective manic mood swing. that would put most teenagers to shame. the yellow wall lives by two rules. no sitting in the stands. and no excuses on the field. even if you are a shy 19-year-old 4,000 miles from home. >> it is loud. >> yeah. >> no it is really from, from ten yards away trying to talk to you. >> is it intimidating at all? >> it is intimidating at times. but i think as you gain experience and after i played more and more games it just gets easier and easier. >> heap certainly makes it look easy. christian pulicic was 17 when he scored his first goal for dorfman. the youngest american ever to score in the german pros. >> an historic day for the young american. he celebrated like any teenager would with a dab. >> how do you say dab in german. >> dab. the same. >> just dab. yeah, the same. >> what makes christian pulicic special and so fun to watch is his explosive speed. his passin