After excelling at Atlético Madrid – where he would start and end his professional career, amassing La Liga totals of 166 games and 95 goals over eight seasons – he moved to Italy where he would remain for nearly one decade, in representation of three teams.

[2] In 1962, after 127 official goals for Atlético – he still started the 1962–63 campaign, netting six times in only three games[3]– Peiró moved to Italy and joined Torino FC, becoming the second Spaniard to play in Serie A after Luis Suárez, whom he later teamed up with at Inter Milan, being part of the Grande Inter side that won the 1965 European Cup under manager Helenio Herrera;[4] in the semi-finals against Liverpool, he scored once in a 3–0 home win after a 3–1 loss at Anfield.

[5] Peiró's longest spell in Italy would be spent with AS Roma where he won one Coppa Italia, eventually also being named team captain.

[9] On 3 June 1956, aged 20, Peiró made his international debut, scoring in a 3–1 friendly defeat to Portugal in Lisbon.

In 1989–90, Peiró was one of three coaches used by Atlético Madrid, as elusive Jesús Gil was the club's president – the side did finish fourth in the league.