Marco Russ (l.) celebrates Frankfurt's winner with goalscorer Lucas Piazon (r.) (© imago) Marco Russ (l.) celebrates Frankfurt's winner with goalscorer Lucas Piazon (r.) (© imago) Piazon: 'An incredible goal'28.09.2014Hamburg - A downhearted Hamburger SV side bemoaned a lack of "luck" for their defeat at home to Eintracht Frankfurt who delighted in a "sensational" winning goal by youngster Lucas Piazon.