Inte Milan's Jesus Juan (R) fights for the ball with Udinese's Antonio Di Natale during their Italian Serie A soccer match at the San Siro stadium in Milan December 7, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Inter Milan's Rodrigo Palacio (C) fights for the ball with Udinese's Antonio Di Natale (R) during their Italian Serie A soccer match at the San Siro stadium in Milan December 7, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Philippe Mexes (L) fights for the ball with Udinese's Antonio Di Natale (C) during their Italian Serie A soccer match at the San Siro stadium in Milan November 30, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale celebrates after scoring against AC Milan during their Italian Serie A soccer match at Friuli stadium in Udine March 8, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale celebrates after scoring against AC Milan during their Italian Serie A soccer match at Friuli stadium in Udine March 8, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale celebrates after scoring against AC Milan during their Italian Serie A soccer match at Friuli stadium in Udine March 8, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale celebrates after scoring against AC Milan during their Italian Serie A soccer match at Friuli stadium in Udine March 8, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Juventus' goalkeeper Gianluigi Buffon makes a save on Udinese's Antonio Di Natale during their Italian Serie A soccer match at Juventus stadium in Turin December 1, 2013. REUTERS/Max Rossi (ITALY - Tags: SPORT SOCCER)

AC Milan's Kevin Constant (L) fights for the ball with Udinese's Antonio Di Natale during their Italian Serie A soccer match at the San Siro stadium in Milan October 19, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Matias Silvestre (top) jumps for the ball with Udinese's Antonio Di Natale during their Italian serie A soccer match at the San Siro stadium in Milan October 19, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Anzhi Makhackhala's Yuri Zhirkov (back) chases Udinese's Antonio Di Natale during their Europa League Group A soccer match at the Lokomotiv stadium in Moscow, November 22, 2012. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT SOCCER)

Anzhi Makhackhala's Joao Carlos (front) fights for the ball with Udinese's Antonio Di Natale during their Europa League Group A soccer match at the Lokomotiv stadium in Moscow, November 22, 2012. REUTERS/Grigory Dukor (RUSSIA - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale celebrates after scoring against AS Roma during their Italian Serie A soccer match at the Olympic stadium in Rome October 28, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

AS Roma's Miralem Pjanic (L) and Daniele De Rossi react after Udinese's Antonio Di Natale (not seen) scored during their Italian Serie A soccer match at the Olympic stadium in R0me October 28, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale (L) scores past AS Roma's goalkeeper Maarten Stekelenburg (C) during their Italian Serie A soccer match at the Olympic stadium in Rome October 28, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale (L) celebrates with his teammate Mathias Ranegie after scoring against AC Milan during their Serie A soccer match at Friuli stadium in Udine September 23, 2012. REUTERS/Giorgio Benvenuti (ITALY - Tags: SPORT SOCCER)

Udinese's Antonio Di Natale (C) celebrates with his teammates after scoring against AC Milan during their Serie A soccer match at Friuli stadium in Udine September 23, 2012. REUTERS/Giorgio Benvenuti (ITALY - Tags: SPORT SOCCER)

Italy's Mario Balotelli (L) and Antonio Di Natale react after third goal, scored by Spain's Fernando Torres (not pictured) during their Euro 2012 final soccer match at the Olympic stadium in Kiev, July 1, 2012. REUTERS/Juan Medina (UKRAINE - Tags: SPORT SOCCER)

Italy's Mario Balotelli (L) and Antonio Di Natale react after third goal, scored by Spain's Fernando Torres (not pictured) during their Euro 2012 final soccer match at the Olympic stadium in Kiev, July 1, 2012. REUTERS/Juan Medina (UKRAINE - Tags: SPORT SOCCER)

Italy's goalkeeper Gianluigi Buffon (R) and Antonio Di Natale react after the game against Spain at the Euro 2012 final soccer match at the Olympic Stadium in Kiev, July 1, 2012. REUTERS/Charles Platiau (UKRAINE - Tags: SPORT SOCCER)

Italy's Antonio Di Natale walks past Spain's players, as they celebrate their goal during their Euro 2012 final soccer match at the Olympic stadium in Kiev July 1, 2012. REUTERS/Alessandro Bianchi (UKRAINE - Tags: SPORT SOCCER)

Spain's Sergio Ramos and Italy's Antonio Di Natale (R) jump to head the ball during their Euro 2012 final soccer match at the Olympic stadium in Kiev July 1, 2012. REUTERS/Tony Gentile (UKRAINE - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (L) challenges Spain's goalkeeper Iker Casillas (C) and Sergio Ramos during their Euro 2012 final soccer match at the Olympic stadium in Kiev July 1, 2012. REUTERS/Alessandro Bianchi (UKRAINE - Tags: SPORT SOCCER)

Germany's Holger Badstuber (C) is challenged by Italy's Antonio Di Natale during their Euro 2012 semi-final soccer match at the National stadium in Warsaw, June 28, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale controls the ball during their Euro 2012 semi-final soccer match against Germany at the National Stadium in Warsaw, June 28, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Germany's goalkeeper Manuel Neuer (C) makes a save past his team mate Holger Badstuber and Italy's Antonio Di Natale (R) during their Euro 2012 semi-final soccer match at the National Stadium in Warsaw June 28, 2012. REUTERS/Pascal Lauener (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (R) collides with Germany's goalkeeper Manuel Neuer next to Germany's Holger Badstuber during their Euro 2012 semi-final soccer match at the National Stadium in Warsaw, June 28, 2012. REUTERS/Pascal Lauener (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (R) and Germany's Mats Hummels look on as Italy's Claudio Marchisio (3rd R) fails to score a goal against Germany's goalkeeper Manuel Neuer (L) during their Euro 2012 semi-final soccer match at the National Stadium in Warsaw, June 28, 2012. REUTERS/Pascal Lauener (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (R) and Germany's Mats Hummels look on as Italy's Claudio Marchisio (3rd R) fails to score a goal against Germany's goalkeeper Manuel Neuer (L) during their Euro 2012 semi-final soccer match at the National Stadium in Warsaw, June 28, 2012. REUTERS/Pascal Lauener (POLAND - Tags: SPORT SOCCER)

Italy's national soccer players Antonio di Natale, Andrea Pirlo and Mario Balotelli look at the sky during a training session at the stadium in Warsaw, June 27, 2012. Italy will play its Euro 2012 semi-final against Germany in Warsaw on Thursday, July 28. REUTERS/Thomas Bohlen (POLAND - Tags: SPORT SOCCER)

Italy's national soccer player Antonio di Natale (L) and Andrea Pirla look at the sky during a training session at the stadium in Warsaw, June 27, 2012. Italy will play its Euro 2012 semi-final against Germany in Warsaw on Thursday, July 28. REUTERS/Thomas Bohlen (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Riccardo Montolivo (L), Mario Balotelli (C) and Antonio Di Natale attend a training session at the Olympic Stadium in Kiev, June 23, 2012. Italy will play its quarter-final of the Euro 2012 soccer championships against England in Kiev on June 24. REUTERS/Nigel Roddis (UKRAINE - Tags: SPORT SOCCER)

Italy's coach Cesare Prandelli (L) looks at his players Mario Balotelli (R), Antonio Di Natale (2nd R) and Antonio Cassano during a training session at the Olympic Stadium in Kiev, June 23, 2012. England will play its quarter-final of the Euro 2012 soccer championships against Italy in Kiev on June 24. REUTERS/Tony Gentile (UKRAINE - Tags: SPORT SOCCER)

Italy's soccer players Antonio Di Natale (R) and Mario Balotelli attend a training session during the Euro 2012 in Krakow June 21, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer player Antonio Di Natale plays with the ball during a training session during the Euro 2012 in Krakow June 21, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer playersAntonio Cassano (L) Mario Balotelli (C) and Antonio Di Natale attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players (L to R) Mario Balotelli, Sebastian Giovinco, Antonio Di Natale, Antonio Nocerino and Antonio Cassano attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Antonio Cassano (R) and Antonio Di Natale attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (R) and Antonio Di Natale attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (L) and Antonio Di Natale attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (R) and Antonio Di Natale attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (R), Antonio Di Natale (2nd R) and Antonio Cassano attend a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (R), Antonio Di Natale and Gianluigi Buffon sit on the bench before a training session during the Euro 2012 in Krakow June 20, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's Federico Balzaretti (L), Antonio Di Natale (2ndL), goalkeeper Gianluigi Buffon and Antonio Cassano (R) celebrate their victory over Ireland after their Group C Euro 2012 soccer match at the City stadium in Poznan, June 18, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (R) is substituted by Mario Balotelli during their Group C Euro 2012 soccer match against Ireland at the City stadium in Poznan, June 18, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Ireland's Glenn Whelan (R) and John O'Shea watch as their team mate Richard Dunne (L) fights for the ball with Italy's Antonio Di Natale during their Group C Euro 2012 soccer match at the City stadium in Poznan, June 18, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (L) fights for the ball with Ireland's Richard Dunne during their Group C Euro 2012 soccer match at the City stadium in Poznan, June 18, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Ireland's Richard Dunne (R) kicks the ball next to Italy's Antonio Di Natale during their Group C Euro 2012 soccer match at the City stadium in Poznan, June 18, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (L) challenges Ireland's Stephen Ward during their Group C Euro 2012 soccer match at the city stadium in Poznan, June 18, 2012. REUTERS/Petr Josek (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale reacts during their Group C Euro 2012 soccer match against Ireland at the city stadium in Poznan, June 18, 2012. REUTERS/Petr Josek (POLAND - Tags: SPORT SOCCER)

Ireland's goalkeeper Shay Given challenges Italy's Antonio Di Natale during their Group C Euro 2012 soccer match in Poznan, June 18, 2012. REUTERS/Petr Josek (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (L) challenges Ireland's goalkeeper Shay Given during their Group C Euro 2012 soccer match at the City stadium in Poznan, June 18, 2012. REUTERS/Bartosz Jankowski (POLAND - Tags: SPORT SOCCER)

Italy's Antonio Di Natale (L to R), Ignazio Abate and Antonio Cassano celebrate a goal during their Group C Euro 2012 soccer match against Ireland at the City stadium in Poznan, June 18, 2012. REUTERS/Bartosz Jankowski (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Antonio Cassano (L) and Antonio Di Natale laugh during a training session for the Euro 2012 at the city stadium in Poznan, June 17, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Mario Balotelli (L) Sebastian Giovinco (C) and Antonio Di Natale attend a training session for the Euro 2012 at the city stadium in Poznan, June 17, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Antonio Di Natale (R) and Sebastian Giovinco talk during a training session for the Euro 2012 at the city stadium in Poznan, June 17, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer players Antonio Di Natale (R) and Mario Balotelli talk during a training session for the Euro 2012 at the city stadium in Poznan, June 17, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer player Antonio Di Natale attends a training session during the Euro 2012 at Cracovia Stadium in Krakow June 16, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer player Antonio Di Natale (L) jokes with his team mate Antonio Cassano during a training session during the Euro 2012 at Cracovia Stadium in Krakow June 16, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)

Italy's soccer player Antonio Di Natale rests during a training session during the Euro 2012 at Cracovia Stadium in Krakow June 16, 2012. REUTERS/Tony Gentile (POLAND - Tags: SPORT SOCCER)