Born in Blanes, Girona, Catalonia, Guerrero joined FC Barcelona's youth academy in 2010 from UE Vilassar de Mar.

[4] His first match in the competition took place on 19 August, when he came on as a second-half substitute for Álex Carbonell in a 0–2 away loss against UD Las Palmas.

[5] Halfway through the 2018–19 season, Guerrero and the rest of the squad left after the club was expelled by the Liga de Fútbol Profesional,[6] and he later moved to Valencia CF Mestalla of Segunda División B.

[7] He made his first team – and La Liga – debut on 4 July 2020, replacing Jaume Costa at half-time in a 2–2 away draw against Granada CF.

[8] On 20 August 2020, Guerrero joined Swiss Super League side FC Lugano on loan for the 2020–21 season.