Premier League Adu, Cassano and 20 teenage superstars who failed to fulfil their potential Last updated 22/3/17 20:01 21/3/17 Comments (0) 1/22 Adu, Cassano and 20 teenage superstars who failed to fulfil their potential Getty Images Full screen 1 of 22 Francesco Totti Antonio Cassano Roma facebook twitter copy Premier League Gallery Aston Villa Ajax Opinion Feyenoord Ryan Babel Manchester United Milan Serie A Bundesliga Internazionale Real Betis Internacional Liverpool Everton Santos Ligue 1 Real Madrid Benfica Barcelona Primera División Bojan Serie A Manchester City Arsenal Article continues below facebook twitter copy Comments (0)
