Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino in action against Napoli's Kalidou Koulibaly. REUTERS/Tony Gentile
Picture Supplied by Action Images

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (R) in action against Napoli's Kalidou Koulibaly (L). REUTERS/Tony Gentile
Picture Supplied by Action Images

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (L) and Aljaz Struna (C) in action against Napoli's Gonzalo Higuain (R). REUTERS/Tony Gentile
Picture Supplied by Action Images

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (L) in action against Napoli's Gonzalo Higuain (R). REUTERS/Tony Gentile
Picture Supplied by Action Images

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino in action against Napoli's Kalidou Koulibaly. REUTERS/Tony Gentile

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (L) and Aljaz Struna (C) in action against Napoli's Gonzalo Higuain (R). REUTERS/Tony Gentile

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (L) in action against Napoli's Gonzalo Higuain (R). REUTERS/Tony Gentile

Football Soccer - Palermo v Napoli - Italian Serie A - Renzo Barbera Stadium, Palermo, Italy - 13/03/16. Palermo Alberto Gilardino (R) in action against Napoli's Kalidou Koulibaly (L). REUTERS/Tony Gentile

Palermo's Alberto Gilardino (R) shoots to score against Inter Milan during their Italian Serie A soccer match at the Renzo Barbera stadium in Palermo, Italy, October 24, 2015. REUTERS/Tony Gentile

Palermo's Alberto Gilardino (front) is challenged by Inter Milan's Joao Miranda during their Italian Serie A soccer match at the Renzo Barbera stadium in Palermo, Italy, October 24, 2015. REUTERS/Tony Gentile

Palermo's Alberto Gilardino (front) and Inter Milan's Alex Telles jump for the ball during their Italian Serie A soccer match at the Renzo Barbera stadium in Palermo, Italy, October 24, 2015. REUTERS/Tony Gentile

Lazio's Stefan De Vrij (R) challenges Fiorentina's Alberto Gilardino during their Italian Serie A soccer match at the Olympic stadium in Rome March 9, 2015. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Genoa's Alberto Gilardino reacts during their Italian Serie A soccer match against AC Milan at Ferraris stadium in Genoa April 7, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Adil Rami (R) fights for the ball with Genoa's Alberto Gilardino during their Italian Serie A soccer match at Ferraris stadium in Genoa April 7, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Adil Rami (R) fights for the ball with Genoa's Alberto Gilardino during their Italian Serie A soccer match at Ferraris stadium in Genoa April 7, 2014. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Juventus' Leonardo Bonucci (R) challenges Genoa's Alberto Gilardino during their Italian Serie A soccer match at Luigi Ferrari stadium in Genoa March 16, 2014. REUTERS/Giorgio Perottino (ITALY - Tags: SPORT SOCCER)

Genoa's Alberto Gilardino (R) celebrates at the end of their Italian Serie A soccer match against AC Milan at San Siro stadium in Milan November 23, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Daniele Bonera (R) fights for the ball with Genoa's Alberto Gilardino during their Italian Serie A soccer match at San Siro stadium in Milan November 23, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Genoa's Alberto Gilardino celebrates after scoring against AC Milan during their Italian Serie A soccer match at San Siro stadium in Milan November 23, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

AC Milan's Cristian Zapata (R) fights for the ball with Genoa's Alberto Gilardino during their Italian Serie A soccer match at San Siro stadium in Milan November 23, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Napoli's Valon Behrami (R) and Genoa's Alberto Gilardino fight for the ball during their Italian Serie A soccer match at the Marassi stadium in Genoa September 28, 2013. REUTERS/Giorgio Perottino (ITALY - Tags: SPORT SOCCER)

Inter Milan's Yuto Nagatomo (R) kicks the ball with as Genoa's Alberto Gilardino (C) and Mario Santana watch during their Italian Serie A soccer match at the San Siro stadium in Milan August 25, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Genoa's Alberto Gilardino (R) controls the ball as Inter Milan's Juan Jesus looks on during their Italian Serie A soccer match at the San Siro stadium in Milan August 25, 2013. REUTERS/Alessandro Garofalo (ITALY - Tags: SPORT SOCCER)

Italy's Leonardo Bonucci (C) and Alberto Gilardino (R) celebrate with their teammate goalkeeper Gianluigi Buffon after their team won the penalty shootout of their Confederations Cup third-place playoff soccer match against Uruguay at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's Leonardo Bonucci (C) and Alberto Gilardino (R) celebrate with their teammate goalkeeper Gianluigi Buffon after their team won the penalty shootout of their Confederations Cup third-place playoff soccer match against Uruguay at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's Leonardo Bonucci (L-R), Stephan El Shaarawy, Alberto Gilardino and Antonio Candreva celebrate after their team won in the penalty shootout of their Confederations Cup third-place playoff soccer match against Uruguay at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (L) heads the ball during their Confederations Cup third-place playoff soccer match against Uruguay at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Uruguay's Diego Godin (L) and Martin Caceres (L back) fight for the ball with Italy's Alberto Gilardino (front R) and Giorgio Chiellini during their Confederations Cup third-place playoff soccer match at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (C) controls the ball between Uruguay's Diego Godin (R) and Egidio Arevalo during their Confederations Cup third-place playoff soccer match at the Arena Fonte Nova in Salvador June 30, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's players Alberto Gilardino (L) and Sebastian Giovinco attend a training session in Salvador De Bahia June 29, 2013. Italy will play against Uruguay in their Confederations Cup third place playoff soccer match on Sunday. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Spain's goalkeeper Iker Casillas (R) makes a save against Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (L) kicks the ball near Spain's goalkeeper Iker Casillas during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Kai Pfaffenbach (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (R) kicks the ball near Spain's goalkeeper Iker Casillas during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Jorge Silva (BRAZIL - Tags: SPORT SOCCER)

A member of Italy's staffing team washes Alberto Gilardino's neck during their Confederations Cup semi-final soccer match against Spain at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Kai Pfaffenbach (BRAZIL - Tags: SPORT SOCCER)

Italy's players line up for a team photo before their Confederations Cup semi-final soccer match against Spain at the Estadio Castelao in Fortaleza June 27, 2013. (Top row L to R) Giorgio Chiellini, Christian Maggio, Alberto Gilardino, Andrea Barzagli, Leonardo Bonucci, goalkeeper Gianluigi Buffon, (bottom row L to R) Emanuele Giaccherini, Andrea Pirlo, Claudio Marchisio, Antonio Candreva and Daniele De Rossi. REUTERS/Jorge Silva (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (top) heads the ball over Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (top) fights for the ball with Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Kai Pfaffenbach (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino controls the ball during their Confederations Cup semi-final soccer match against Spain at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Marcos Brindicci (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (R) fights for the ball with Spain's Gerard Pique during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino controls the ball during their Confederations Cup semi-final soccer match against Spain at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Marcos Brindicci (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Busquests (R) kicks the ball past teammate Alvaro Arbeloa (C) and Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (R) fights for the ball with Spain's Gerard Pique during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (top) fights for the ball with Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (L) fights for the ball with Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Marcos Brindicci (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (L) fights for the ball with Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Marcos Brindicci (BRAZIL - Tags: SPORT SOCCER TPX IMAGES OF THE DAY)

Italy's players line up for a team photo before their Confederations Cup semi-final soccer match against Spain at the Estadio Castelao in Fortaleza June 27, 2013. (Top row L to R) Giorgio Chiellini, Christian Maggio, Alberto Gilardino, Andrea Barzagli, Leonardo Bonucci, goalkeeper Gianluigi Buffon, (bottom row L to R) Emanuele Giaccherini, Andrea Pirlo, Claudio Marchisio, Antonio Candreva and Daniele De Rossi. REUTERS/Paulo Whitaker (BRAZIL - Tags: SPORT SOCCER)

Spain's Sergio Ramos (L) fights for the ball with Italy's Alberto Gilardino during their Confederations Cup semi-final soccer match at the Estadio Castelao in Fortaleza June 27, 2013. REUTERS/Ivan Alvarado (BRAZIL - Tags: SPORT SOCCER)

Italy's Emanuele Giaccherini (R) celebrates with teammate Alberto Gilardino after scoring against Haiti during their international friendly soccer match in Rio de Janeiro June 11, 2013. Italy is preparing for the Confederations Cup which starts on June 15. REUTERS/Ricardo Moraes (BRAZIL - Tags: SPORT SOCCER)

Juventus' Federico Peluso (R) jumps for the ball with Alberto Gilardino of Bologna during their Italian Serie A soccer match at Renato Dall'Ara stadium in Bologna March 16, 2013. REUTERS/Giorgio Benvenuti (ITALY - Tags: SPORT SOCCER)

Italy's national soccer team player Alberto Gilardino looks on at the end of a training session at Coverciano training centre near Florence February 4, 2013. REUTERS/Max Rossi (ITALY - Tags: SPORT SOCCER)

Italy's Alberto Gilardino leaves the field after a training session in Coverciano, near Florence, October 9, 2012. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Bologna's Alessandro Diamanti (R) celebrates with his team mate Alberto Gilardino after scoring against AS Roma during their Serie A soccer match at the Olympic stadium in Rome September 16, 2012. REUTERS/Tony Gentile (ITALY - Tags: SPORT SOCCER)

Bologna's Alberto Gilardino (L) celebrates after scoring against AS Roma during their Serie A soccer match at the Olympic stadium in Rome September 16, 2012. REUTERS/Tony Gentile (ITALY - Tags: SPORT SOCCER)

Italy's Alberto Gilardino (C) fights for the ball with Alessandro Gamberini (L) as Angelo Palombo (R) watches during a training session at the Braglia stadium in Modena June 2, 2011. Italy will play an Euro 2012 Group C qualifying soccer match against Estonia on June 3. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Ukraine's Ruslan Rotan (R) challenges Italy's Alberto Gilardino during their friendly soccer match at the Valeriy Lobanovskiy stadium in Kiev March 29, 2011. REUTERS/Konstantin Chernichkin (UKRAINE - Tags: SPORT SOCCER)

Lazio's Mobido Diakite (R) and Fiorentina's Alberto Gilardino fight for the ball during their Italian Serie A soccer match at the Olympic stadium in Rome January 29, 2011. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Lazio's Mobido Diakite (R) and Fiorentina's Alberto Gilardino fight for the ball during their Italian Serie A soccer match at the Olympic stadium in Rome January 29, 2011. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

Fiorentina's Alberto Gilardino (L) challenges Juventus' Alberto Aquilani during their Italian Serie A soccer match at the Olympic stadium in Turin November 27, 2010. REUTERS/Giorgio Perrottino (ITALY - Tags: SPORT SOCCER)

Fiorentina's Alberto Gilardino looks at the ball during their Italian Serie A soccer match against AS Roma at the Olympic stadium in Rome November 10, 2010. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)

AS Roma's goalkeeper Julio Sergio (C) goes to save on Fiorentina's Alberto Gilardino (L) during their Italian Serie A soccer match at the Olympic stadium in Rome November 10, 2010. REUTERS/Giampiero Sposito (ITALY - Tags: SPORT SOCCER)