Manchester United former manager Sir Alex Ferguson has revealed that he was not fair to former player of the club DimitarBerbatov whilst he played at Old Trafford. <center><img src="" width="500"></center> Ferguson says he should have placed the Bulgarian star in the substitutes’ list in the game against Spanish side Barcelona. That was the second time that Ferguson led the team to the UEFA Champions League final within three years. Ferguson faced a selection headache ahead of the anticipated clash.