[1] As a child, Osorio was with Santiago Wanderers and Escuela Municipal Hijuelas,[2] but in 2015 he joined Universidad de Chile after a training test in El Melón being recommended by Rubén Farfán who played for the first team.

[3] In 2021, he was called up to the first team but he made his professional debut in a 2022 Summer International Tournament played in Argentina, scoring a goal in the match against Colo-Colo.[2] On 31 August 2023, he signed with Danish Superliga side Midtjylland on a deal for five seasons until June 2028.

[6] In December 2021, he represented Chile U20 at the friendly tournament Rául Coloma Rivas,[7] playing three matches and scoring a goal against Paraguay U20.

He represented Chile at under-23 level in a 1–0 win against Peru U23 on 31 August 2022, in the context of preparations for the 2023 Pan American Games.

[11] At senior level, he made his debut in the 2022 Kirin Cup Soccer match against Tunisia on 10 June 2022.