[3] Polo got his start in the youth ranks of Universitario de Deportes and was promoted to the first team in 2011 under manager José del Solar.

[6] Polo scored the goal in the 8th minute of the match by controlling with his head a lobbed through ball from Pablo Vitti and finishing with a strong left-footed shot into the top-right corner of the net.

[11] With the league in the mid season rest, Polo, aged 16 years, was selected by manager Javier Chirinos for the under-20 Universitario squad to participate in the first edition of the 2011 U-20 Copa Libertadores.

[3] Polo went on to help his side win the very first U-20 Copa Libertadores alongside notable players such as Edison Flores and Willyan Mimbela.

[14][15] In his fourth match of the tournament, he scored his first goal in the Copa Sudamericana in the second leg at home (Miguel Grau stadium) against Godoy Cruz.

[16] His goal came in the 85th minute by heading in a cross from Edison Flores and eventually forced the match to a penalty shootout, which Universitario won 3–2.

[21] In April, Polo was enabled to play with San Martín by the Chamber of Conciliation and Dispute Resolution of the Peruvian Football Federation.

He remained in Universitario for the 2016 season, becoming a key player in an offensive quartet that also included Edison Flores, Raúl Ruidíaz and Diego Guastavino, which led the club to victory in the 2016 Torneo Apertura.

[29] In January 2018, due to a lack of minutes at Morelia, he signed on loan for one season with Portland Timbers of Major League Soccer.

[32] The team managed to reach the MLS Cup 2018 in December, which they lost 2–0 to Atlanta United with Polo playing as a starter.

After good performances and securing a starting spot, his move to Portland became permanent at the end of that season, earning $150,000 guaranteed salary per year.

[38][39] In 2023, after the arrival of manager Jorge Fossati, Polo was reconverted into a right wing-back,[40] later winning the 2023 Liga 1 after defeating Alianza Lima in the finals.

In 2024, he played a total of 40 matches, scoring 3 goals and giving 15 assists, winning a second consecutive national championship with Universitario in the year of its centennial.

He made his debut with the senior team in 2016, in a 1–0 away defeat against Uruguay for the 2018 World Cup CONMEBOL qualification,[45] later being included in the squad for the Copa América Centenario.