The European champions led 2-1 until the last minute when Thiago Silva headed in to hand travelling Milan a share of the spoils.
"What happened on Tuesday is pure bad luck, totally unfair," the 31-year-old told Barcelona TV.
Barcelona's next match is a home La Liga fixture against Osasuna.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Real Madrid | 21 | 15 | 4 | 2 | 50 | 20 | 30 | 49 |
| 2 | Atletico MadridAtletico | 21 | 13 | 6 | 2 | 35 | 14 | 21 | 45 |
| 3 | Barcelona | 21 | 13 | 3 | 5 | 59 | 24 | 35 | 42 |
| 4 | Athletic Bilbao | 21 | 11 | 7 | 3 | 31 | 18 | 13 | 40 |
| 5 | Villarreal | 21 | 9 | 7 | 5 | 39 | 32 | 7 | 34 |
| 6 | Mallorca | 21 | 9 | 3 | 9 | 19 | 26 | -7 | 30 |
| 7 | Rayo Vallecano | 21 | 7 | 8 | 6 | 25 | 24 | 1 | 29 |
| 8 | GironaGirona | 21 | 8 | 4 | 9 | 29 | 29 | 0 | 28 |
| 9 | Real Sociedad | 21 | 8 | 4 | 9 | 17 | 17 | 0 | 28 |
| 10 | Real BetisBetis | 21 | 7 | 7 | 7 | 23 | 26 | -3 | 28 |
| 11 | Osasuna | 21 | 6 | 9 | 6 | 25 | 30 | -5 | 27 |
| 12 | Sevilla | 21 | 7 | 6 | 8 | 24 | 30 | -6 | 27 |
| 13 | Celta Vigo | 21 | 7 | 4 | 10 | 30 | 33 | -3 | 25 |
| 14 | Getafe | 21 | 5 | 8 | 8 | 17 | 17 | 0 | 23 |
| 15 | Las PalmasLas Palmas | 21 | 6 | 5 | 10 | 26 | 34 | -8 | 23 |
| 16 | Leganes | 21 | 5 | 8 | 8 | 19 | 29 | -10 | 23 |
| 17 | AlavesAlaves | 21 | 5 | 6 | 10 | 25 | 33 | -8 | 21 |
| 18 | Espanyol | 21 | 5 | 5 | 11 | 20 | 33 | -13 | 20 |
| 19 | Valencia | 21 | 3 | 7 | 11 | 20 | 36 | -16 | 16 |
| 20 | Real ValladolidValladolid | 21 | 4 | 3 | 14 | 14 | 42 | -28 | 15 |
| > La Liga Full Table | |||||||||
