Career as a player
| Period | Team | Country | Position | # | |
|---|---|---|---|---|---|
| 07/2016 - 06/2017 |  | Olympiacos FC |  Greece | Midfield | 19 |
| 07/2015 - 06/2016 | | Olympiacos FC | Greece | Midfield | 91 |
| 07/2014 - 06/2015 |  | Leicester City |  England | Midfield | 19 |
| 07/2004 - 06/2014 |  | Inter |  Italy | Midfield | 19 |
| 07/2002 - 06/2004 |  | Real Madrid |  Spain | Midfield | 19 |
| 07/2001 - 06/2002 |  | River Plate |  Argentina | Midfield | 19 |
| 07/1998 - 06/2001 |  | Independiente | Argentina | Midfield | 19 |
| 07/1996 - 06/1998 |  | Real Madrid Castilla | Spain | Midfield | |
| 07/1995 - 06/1996 |  | Argentinos Juniors | Argentina | Midfield |
Club matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | Club World Cup | 2 | 2 | - | - | 180 | - | - | - | - | - | - | » All matches |
| Intercontinental Cup | 1 | 1 | - | 1 | 90 | - | - | - | - | - | - | » All matches |
 | Champions League | 79 | 70 | 9 | 13 | 6.071 | 6 | - | 5 | 4 | - | - | » All matches |
| Champions League Qual. | 5 | 4 | 1 | 1 | 357 | - | - | - | 1 | - | - | » All matches |
| Europa League | 16 | 15 | 1 | 5 | 1.313 | 2 | - | - | - | - | - | » All matches |
| Europa League Qual. | 6 | 6 | - | 1 | 541 | 1 | - | - | - | - | - | » All matches |
| UEFA Super Cup | 2 | 2 | - | 1 | 178 | - | - | - | - | - | - | » All matches |
| Premier League | 31 | 27 | 4 | 10 | 2.425 | 5 | - | 1 | 1 | - | - | » All matches |
| FA Cup | 2 | 2 | - | 1 | 115 | - | - | - | - | - | - | » All matches |
| Super League | 28 | 17 | 11 | 11 | 1.476 | 2 | - | - | - | - | - | » All matches |
| Kypello Elladas | 8 | 7 | 1 | 3 | 531 | 3 | - | - | - | - | - | » All matches |
| Serie A | 314 | 289 | 25 | 50 | 25.665 | 41 | - | 9 | 25 | - | 1 | » All matches |
| Coppa Italia | 29 | 21 | 8 | 2 | 2.143 | 3 | - | - | 1 | - | - | » All matches |
| Supercoppa | 6 | 5 | 1 | - | 564 | - | - | - | 3 | - | - | » All matches |
| Primera División | 40 | 27 | 13 | 14 | 2.274 | - | - | - | 4 | - | - | » All matches |
| Copa del Rey | 8 | 7 | 1 | 4 | 588 | 1 | - | - | - | - | - | » All matches |
| Supercopa | 2 | 2 | - | 1 | 165 | - | - | - | - | - | - | » All matches |
 | Copa Libertadores | 6 | 3 | 3 | 1 | 305 | 1 | - | - | 1 | - | - | » All matches |
| Copa Mercosur | 3 | 3 | - | 2 | 221 | 1 | - | - | 1 | - | - | » All matches |
| Primera División | 134 | 132 | 2 | 13 | 11.642 | 26 | - | - | 8 | - | 1 | » All matches |
| Total | 722 | 642 | 80 | 134 | 56.844 | 92 | - | - | 49 | - | 2 |
International matches
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| World Cup | 5 | 3 | 2 | 1 | 378 | 1 | - | - | 1 | - | - | » All matches |
| WC Qualifiers South America | 16 | 15 | 1 | 5 | 1.295 | 1 | - | - | 1 | - | 1 | » All matches |
| Friendlies | 19 | 16 | 3 | 4 | 1.434 | 2 | - | 1 | 1 | - | - | » All matches |
| Confederations Cup | 4 | 3 | 1 | 1 | 291 | 1 | - | - | 1 | - | - | » All matches |
| Copa América | 8 | 8 | - | 6 | 553 | - | - | - | - | - | - | » All matches |
| Total | 52 | 45 | 7 | 17 | 3.951 | 5 | - | - | 4 | - | 1 | ||
| Competition | Matches | Start | In | Out | Min. | Scores | 11m | Ass | Yellow | Yellow-Red | Red | ||
| U20 World Cup | 11 | 11 | - | 3 | 945 | 2 | - | - | - | - | - | » All matches |
| Total | 11 | 11 | - | 3 | 945 | 2 | - | - | - | - | - |