The 31-year-old Ramon Alegre, who led Spain in the London Games earlier this year, has 237 caps to his credit.
He has represented Spain in three Olympics starting with Athens in 2004 where the European nation finished fourth.
Ramon has also been a part of two World Cups in 2006 and 2010 and as many as seven Champions Trophy tournaments since 2004, a release from the HI stated.
The star defender, who was nominated as member of the FIH All Star Team in 2011, is among the five players from his country with an overall experience of more than 150 internationals that have signed up for HIL, the release added.
Meanwhile, his younger brother David Alegre, who will also be a part of the auction, has scored 55 goals for his country from as many as 201 appearances.
Like Ramon, David has also represented Spain in three Olympic Games besides two FIH World Cup tournaments and seven FIH Champions Trophy events since 2004.
The midfielder, who earned a nomination as FIH Young Player of the Year in 2006, was part of the FIH All Star Team in 2010 and 2011. MORE