The 28-year-old, who joined the Primera Division champions from Bayern Munich last week, will be contracted to the Spanish side for at least the next five seasons.
"I'm happy to be here. I know Atleti well and I know they have great players and a great coach," Mandzukic told reporters when asked about the move.
Mandzukic scored 26 times in 48 games for Bayern last season.
Restore Data
| Team | P | W | D | L | F | A | GD | PTS | |
| 1 | Barcelona | 14 | 11 | 1 | 2 | 42 | 14 | 28 | 34 |
| 2 | Atletico MadridAtletico | 14 | 8 | 5 | 1 | 21 | 8 | 13 | 29 |
| 3 | Real Madrid | 12 | 8 | 3 | 1 | 25 | 11 | 14 | 27 |
| 4 | Villarreal | 12 | 7 | 3 | 2 | 23 | 19 | 4 | 24 |
| 5 | GironaGirona | 14 | 6 | 3 | 5 | 20 | 18 | 2 | 21 |
| 6 | Mallorca | 14 | 6 | 3 | 5 | 13 | 12 | 1 | 21 |
| 7 | Osasuna | 13 | 6 | 3 | 4 | 17 | 20 | -3 | 21 |
| 8 | Athletic Bilbao | 13 | 5 | 5 | 3 | 19 | 13 | 6 | 20 |
| 9 | Real BetisBetis | 14 | 5 | 5 | 4 | 16 | 16 | 0 | 20 |
| 10 | Real Sociedad | 13 | 5 | 3 | 5 | 11 | 10 | 1 | 18 |
| 11 | Celta Vigo | 14 | 5 | 3 | 6 | 22 | 24 | -2 | 18 |
| 12 | Rayo Vallecano | 12 | 4 | 4 | 4 | 13 | 13 | 0 | 16 |
| 13 | Sevilla | 13 | 4 | 3 | 6 | 12 | 18 | -6 | 15 |
| 14 | Leganes | 13 | 3 | 5 | 5 | 13 | 16 | -3 | 14 |
| 15 | Getafe | 14 | 2 | 7 | 5 | 10 | 11 | -1 | 13 |
| 16 | AlavesAlaves | 14 | 4 | 1 | 9 | 15 | 24 | -9 | 13 |
| 17 | Las PalmasLas Palmas | 14 | 3 | 3 | 8 | 18 | 25 | -7 | 12 |
| 18 | Valencia | 12 | 2 | 4 | 6 | 12 | 19 | -7 | 10 |
| 19 | Espanyol | 13 | 3 | 1 | 9 | 12 | 26 | -14 | 10 |
| 20 | Real ValladolidValladolid | 14 | 2 | 3 | 9 | 10 | 27 | -17 | 9 |
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