Complex sentence: He quickly established himself in the first team, playing in defence or midfield, and featured in the club's European victories over CF Barcelona, Liverpool, Real Madrid and Sporting Clube de Portugal in the 1960s and 1970s.
Split into simpler sentences: He quickly established himself in the first team, playing in defence or midfield. He featured in the club's victories over Barcelona, Liverpool, Real Madrid and Sporting Clube de Portugal in the 1960s and 1970s.