Question: What was the nationality of the other player who joined Futbol Club Barcelona's 107th season in existence along with Santiago Ezquerro?

Context articles: 2014–15 FC Barcelona season
2014–15 FC Barcelona B season
2005–06 FC Barcelona season
2012–13 FC Barcelona season
2010–11 FC Barcelona season
2011–12 FC Barcelona season
History of FC Barcelona
Mark van Bommel
2008–09 FC Barcelona season
List of FC Barcelona records and statistics

The 2014–15 season was Futbol Club Barcelona's 115th in existence and the club's 84th consecutive season in the top flight of Spanish football.
 It was one of the most successful seasons in the club's history as they clinched the Treble by winning La Liga, Copa del Rey and the UEFA Champions League.
 By doing so, the Catalans became the first European team to twice win the domestic double as well as the highest continental tournament, after winning their first treble in the 2008–09 season.
 Barcelona's success was due to a large extent to their formidable forward trio composed of Lionel Messi, Neymar and summer signing Luis Suárez, who scored an unprecedented total of 122 goals in all competitions to become the trio with most goals in Spanish football history.
The 2014–15 season is the Futbol Club Barcelona "B" 45th in existence and the club's 22nd season in Segunda División and 5th consecutive season in the second top flight of Spanish football.
The 2005–06 season was Futbol Club Barcelona's 107th season in existence and 77th consecutive season in the top flight of Spanish football, La Liga.
 It was manager Frank Rijkaard's third season in charge of the club, a season in which he managed to successfully retain the La Liga title, as well as winning the UEFA Champions League and Spanish Super Cup.
 The squad was largely unchanged from the previous season, with only two players – Santiago Ezquerro and Mark van Bommel – joining the club.
 Gerard left on a free transfer during the summer.
The 2012–13 season was Futbol Club Barcelona's 113th in existence and the club's 82nd consecutive season in the top flight of Spanish football.
 The season marked the managerial debut of Tito Vilanova, who served as Pep Guardiola's longtime assistant.
 Vilanova assumed management of the club after Guardiola, who had managed Barcelona for the prior four seasons, declined to renew his contract.
The 2010–11 season was Futbol Club Barcelona's 111th in existence and the club's 80th consecutive season in the top flight of Spanish football.
 Barcelona will start the season with a new president after Joan Laporta reached his term limit on 30 June, leaving behind a very successful club tenure.
The 2011–12 season was Futbol Club Barcelona's 112th in existence and the club's 81st consecutive season in the top flight of Spanish football.
 Barcelona debuted their new and first paid shirt sponsor Qatar Foundation after an agreement was reached in 2010 with the non-profit organization for a five-and-a-half-year, €170 million deal.
 The agreement with UNICEF continued and their name had been moved to the lower back portion of the shirt.
The history of Futbol Club Barcelona goes from the football club's founding in 1899 and up to current time.
 FC Barcelona, also known simply as Barcelona and familiarly as Barça, is based in Barcelona, Catalonia, Spain.
 The team was founded in 1899 by a group of Swiss, English and Spanish footballers led by Joan Gamper.
 The club played amateur football until 1910 in various regional competitions.
 In 1910, the club participated in their first of many European competitions, and has since amassed fourteen UEFA trophies and a sextuple.
 In 1928, Barcelona co-founded La Liga, the top-tier in Spanish football, along with a string of other clubs.
 As of 2017, Barcelona has never been relegated from La Liga, a record they share with Athletic Bilbao and arch-rival Real Madrid.
Mark Peter Gertruda Andreas van Bommel (] ; born 22 April 1977) is a Dutch former professional footballer.
In 2008–09, Futbol Club Barcelona started a new era with a new manager, former player and Barcelona Atlètic coach Pep Guardiola, who led the team to the first treble in Spanish football history.
 After selling off high-profiled players such as Deco and Ronaldinho, Barcelona played scintillating football throughout the season, winning the Copa del Rey, La Liga and the UEFA Champions League.
 This Barcelona squad is considered as one of the best in history.
Futbol Club Barcelona (] ), also known as Barcelona and familiarly as Barça, is a professional football club, based in Barcelona, Catalonia, Spain.
 Founded in 1899 by a group of Swiss, English and Catalan footballers led by Joan Gamper, the club has become a symbol of Catalan culture and Catalanism, hence the motto ""Més que un club"" (More than a club).
 The official Barça anthem is the "Cant del Barça", written by Jaume Picas and Josep Maria Espinàs.
 Unlike many other football clubs, the supporters own and operate Barcelona.
 It is the world's second richest football club in terms of revenue, with an annual turnover of €495 million in 2011–12 season.