[1] He made his La Liga debut on 28 October 1951 in a 6–1 away loss against FC Barcelona,[2] and scored the following weekend against RCD Español (3–1 home win).

[4] In six of the following eight years he also played in the top division, representing Sevilla FC, Granada CF and Real Oviedo; he amassed competition totals of 238 games and 50 goals, and retired at 35 after a spell in the lower leagues with Albacete Balompié.

[7] In 1973–74, Iglesias repeated the feat with another Segunda División side, Hércules CF, then remained at the club's helm for a further three years, always managing to comfortably stay afloat – this included a fifth place in 1975 and a sixth in 1976.

[9] Iglesias worked in the top tier in two of the next three seasons, leading Burgos CF to the 13th position in 1978–79[10][11] and being fired by AD Almería midway through the 1980–81 campaign amid several internal disputes.

[7] Iglesias replaced the dismissed Marco Antonio Boronat at the club's helm late in 1991–92, as Deportivo had to play a relegation playoff against Real Betis, eventually winning 2–1 on aggregate.