Blues ' under - 21s boss David Unsworth is excited about the 17 - year - old 's potential .
Blues ' under - 21s boss David Unsworth praised his battling performance in the 0 - 0 draw with Manchester United last week .
Blues ' under - 21s boss David Unsworth is excited about the 17 - year - old 's potential and praised his battling performance in the 0 - 0 draw with Manchester United last week .