In October 2009, Perez reached the final of the Shanghai International Darts Open, losing 10–4 to John Part.
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.
[6] In September 2014, Perez won the South Asian Qualifier for the 2015 World Championship with a 5–2 victory over Bryan Eribal.
[10] 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.
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 7–2.