2009

In October 2009, Perez reached the final of the Shanghai International Darts Open, losing 10–4 to John Part. He later qualified for the 2010 PDC World Darts Championship where he defeated Denmark's Per Laursen 4–3 in the preliminary round. In the first round against Robert Thornton, Perez won the first set, but eventually lost 3–1.

2012

Perez qualified for the 2012 PDC World Darts Championship after defeating Bobong Gabiana in the final of the Philippines qualifier.^[2] He won through the preliminary round where he beat Dietmar Burger 4 legs to 0, setting up a first round match with Alan Tabern, which he then lost 3 sets to 1 on the same day.

Perez represented the Philippines with Lourence Ilagan in the 2012 PDC World Cup of Darts and together they were beaten 5–3 by the United States in the first round.^[3] In December he lost in the final of the Soft Tip World Championship to Takehiro Suzuki of Japan.^[4]

2013

Perez was due to play with Ilagan once more in the 2013 World Cup of Darts but they were forced to withdraw due to travel problems.^[5] In October, he won the third Soft Tip Dartslive event in Hong King by seeing off Ilagan in the final.^[6] Perez progressed to the final of the Grand Final for the second year in a row where Ilagan exacted revenge by defeating him 4–1.^[7]

2014

In September 2014, Perez won the South Asian Qualifier for the 2015 World Championship with a 5–2 victory over Bryan Eribal.^[8] He played Spain's Cristo Reyes in the preliminary round and was whitewashed 4–0.^[9]

2023

At the 2023 PDC World Darts Championship, Perez was defeated by Simon Whitlock 2–3 in the first round.^[10]

In January he took part in the PDC UK Q-School qualifying tournament.^[11] On the fourth day of the tournament finals, Perez obtained a PDC Tour Card for the next two years by finishing 9th on the UK Order of Merit. The same year, Perez and Ilagan again played the World Cup of Darts. They lost in the second round 8–5 to the Scottish team (Peter Wright & Gary Anderson).

2024

Perez played on the Pro Tour again in 2024. At the 2024 PDC Players Championship series, Perez made the semi-finals for the first time at event four. Perez defeated Danny Lauby Jr. 6–5, Martin Schindler 6–3, Ricardo Pietreczko 6–1, Gerwyn Price 6–4 and Raymond van Barneveld 6–2 before losing to Damon Heta 2–7.

Perez made his UK Open debut at the 2024 event, winning his first round tie 6–2 against Jeffrey Sparidaans, before falling to Vincent van der Voort 6–4 in his second round match.

PDC

• 2010: First round (lost to Robert Thornton 1–3)
• 2012: First round (lost to Alan Tabern 1–3)
• 2015: Preliminary round (lost to Cristo Reyes 0–4 in legs)
• 2023: First round (lost to Simon Whitlock 2–3)