Born and raised in the city of Chimbote, at the age of 17 he settled in Lima, where Sporting Cristal agreed to discipline him after his transfer to the capital.
[11] He made his first-team debut on January 30, 2019, in a friendly match against Emelec, at that time coached by Ismael Rescalvo, at the George Capwell Stadium.
[12] On February 3, he was summoned to play another friendly, this time against Academia Cantolao for the Día de la Raza Celeste.
[14] Claudio Vivas made him debut in an official match against Ayacucho FC, at the Ciudad de Cumaná Stadium on April 6, 2019.
[17] On December 12, Sporting Cristal played the rematch for the Liga 1 Play-offs against Ayacucho FC where Liza scored the last goal ensuring the team's pass to the final.
[21][22] After a poor turnout until the middle of the year, Liza would play one of his best games at the start of Fase 2, scoring a header and fostering a penalty for his team in the 4–2 win over Cantolao.
[30] Percy Liza would play the final against Club Alianza Lima where he obtained the runner-up with Cristal after losing with a 1-0 aggregate result.
[39][40] Liza would be called to play a friendly against the Reserve Team, then led by Jorge Cazulo, a match where he would be a participant scoring a goal in a 7–0 victory.
[38] He is able to cut into the middle with his strongest right foot from the left wing, and is also able to create opportunities and provide assists to his teammates from the right due to his vision.
[49][50] A highly skilled player, Liza is also known for his excellent dribbling ability, as well as his explosive acceleration, agility, quick feet, and creativity when in possession of the ball, as demonstrated through the use of elaborate feints, jumping steps.
[50] A creative forward, skilled, fast, agile and prolific, who is good in the air and able to play on the shoulders of the last defender, Liza has been a benchmark of immense talent, strong and a powerful spiker from inside the area with both feet, as well as the head, despite being naturally right-handed.
In addition to his goals, Liza is known for his willingness and ability to fall into deeper or wider positions, and whether it be playing with midfielders or using his strength and technical ability to hold the ball into goal to provide assistance to teammates, courtesy of your vision, creativity, passing and eye for the final ball; For his style of play, he has been described as "agile and fast" in the media.