Augustine was Eizaguirre keeper of the Royal Society of Football between 1912 and 1925. It is considered the first great goalkeeper in the history of Real.

It arrived at Real Sociedad in 1912 from Bat-Amaikak still a teenager and stayed 14 seasons at the club until withdrawn in 1925 with 28 years of age. Eizaguirre played only 69 games with Real because at the time was disputing few matches each season.

In 1913 his team reached the Cup finals in Spain that had been organized by the Union of Spanish Football Clubs. The final was played a double game, still need a third party ultimately tiebreaker that ended with the victory of FC Barcelona, Real's rival in the final by 2-1. Eizaguirre took part in the second and third of these matches.

Eizaguirre also formed part of the eleventh day of the Royal Society in the opening match of the Stade de Atotxa that was played on October 5, 1913 against Athletic Bilbao. Augustine succeeded with the Royal Society Championships Guipúzcoa of 1919.1923 and 1925.

Ignacio Eizaguirre tab in 1936 by the Royal Society. While the Spanish Civil War paralyzes sports competitions between 1936 and 1939. After the war, in the 1939-1940 season, made his debut in the second division with Real.

Valencia CF, according to his father, Agustín, it moved in the 1940-1941 season The arrival of the Basque goalkeeper was troubled. It was declared in default by the Royal Society and spent the season in white without being able to reach his debut.

The next year after completing the period of rebellion succeeded his debut with Valencia CF in the day 13, but in his first game as owner, played against Real Madrid at the Madrid stadium, received five goals, which led to the coach again Pius trust, the owner goalkeeper so far.

Eizaguirre continued in the substitution until 17 at the time that Valencia was visiting Athletic Bilbao. In this game, the holder would be again Pius, but Eizaguirre received a visit from his father, Augustine also Eizaguirre goalkeeper, from the nearby San Sebastian. As the family business of Eizaguirre was a butcher, the player's father brought a basket with sausage and black pudding for tastings players, with such bad luck that Pius was empachó from time to eat. Because of this low last minute, Eizaguirre won the title that did not leave during the remainder of the season.

Valencia CF remained in the new season, got three titles and one league cup of the King. In addition, Zamora accomplishes two trophies in the 1943-44 and 1944-45 seasons.

Season 1950 - 1951 signed for Real Sociedad as they felt great longing for his homeland to be there all his family and his girlfriend. On the computer Gipuzkoa disputed other six seasons at high level.