He appeared in 220 La Liga matches over ten seasons (eight goals), with Betis, and represented Spain at the 1978 World Cup.
[1] Born in Almería, Andalusia, Biosca made his senior debut in 1968–69 in the Segunda División, appearing rarely for CD Calvo Sotelo who finished in sixth position.
In summer 1971 he moved to La Liga with Real Betis, making his debut in the competition on 28 November 1971 in a 3–1 away loss against Córdoba CF, finishing his first year with 17 games played (15 starts) and being relegated the following campaign.
[2][3] From 1974 to 1978, Biosca never featured in less than 30 league matches for the Verdiblancos, winning the 1977 edition of the Copa del Rey[4] but also suffering relegation the following year.
[3] In the final stages in Argentina, Biosca made two appearances as the national team conceded no goals, albeit in a group-stage exit.