Treble = Winning the League, main domestic Cup competition and the Champions League.
It is a hard thing to do. Here is how close Arsenal, Chelsea and Liverpool have come in the last 3 seasons.
Chelsea Season 2005-06
Premiership - win.
Fa Cup - semi-final.
Champions League - first knockout round.
Liverpool Season 2004-05
Premiership - 5th.
Fa Cup - 3rd round.
Champions League - win.
Chelsea Season 2004-05
Premiership - win.
Fa Cup - fifth round.
Champions League - semi-final.
Arsenal Season 2003-04
Premiership - win, without losing a game.
Fa Cup - semi-final.
Champions League - quarter-final.
A team that came very close.....
FC Bayern München Season 1998-99
Bundesliga - win.
DFB Cup - final, lose on pens.
Champions League - lose final.
Can these teams: Chelsea, Barcelona, Inter Milan, Man Utd or any other teams win the treble this season?