sentences:  With the "Che", Eizaguirre – who did not lineup in his first year due to suspension – won his three national championships in his first six seasons, conquering two Ricardo Zamora Trophy awards in the process.After one full decade he returned to his native Basque Country and Real Sociedad, for a further six top flight campaigns.Eizaguirre retired at the age of nearly 40 after four seasons with CA Osasuna, still in the main category – before the last one, 1959–60, ended, he was named the club's player-coach, as the campaign ended in relegation for the Navarrese.