Budler was scheduled to fight Juanito Rubillar for the vacant IBO light-flyweight title on February 27, 2010, at the Emperors Palace in Kempton Park.
[3] Budler was scheduled to face Evaristo Primero in a non-title bout on August 14, 2010, at the Sames Auto Arena in Laredo, Texas.
[4] Budler was scheduled to make the second defense of his title against the former IBO minimumweight champion Gideon Buthelezi on January 27, 2011, at the Emperors Palace in Kempton Park.
Bulder once again failed to impress against over-matched opposition, with one outlet stating that "neither fighter showed any decent boxing skills".
[9] Budler was scheduled to make his first title defense against the former IBF Minimumweight World Champion Florante Condes on September 22, 2012.
Budler spent the majority of the fight on the backfoot, scoring points with straight pushes, while Condes was unable to successfully pressure the champion.
Trongco stepped in as a short notice replacement Merlito Sabillo, who withdrew from the bout with a hand injury.
[13] Budler was scheduled to fight the former IBF and IBO mini flyweight champion Nkosinathi Joyi on June 15, 2013.
[28] After suffering his first loss in nearly six years, Budler was scheduled to face Siyabonga Siyo for the vacant WBA Pan-African light-flyweight title on October 22, 2016.
[31] Budler notched his first stoppage victory in two years, after Canoy retired from the fight at the end of the seventh round.
[32] Budler was scheduled to challenge the reigning IBF light flyweight champion Milan Melindo on September 16, 2017.
It was one of his rare fights outside of South Africa, as it was contested at the Waterfront Hotel & Casino in Cebu City, Philippines.
[34] Budler was scheduled to challenge the unified WBA (Super), IBF, and The Ring light-flyweight titlist Ryoichi Taguchi on May 20, 2018.
Taguchi failed to make use of his height and reach advantage, as Budler successfully outboxed him utilizing outfighting tactics.
[45] Budler was scheduled to face Elwin Soto in the main event of a TV Azteca broadcast card on June 25, 2022, at the Palenque del FEX in Mexicali, Mexico in a WBC light flyweight title eliminator.
[47] On November 9, 2022, the reigning WBC, The Ring and WBA (Super) champion Kenshiro Teraji was ordered to make a mandatory title defense against Budler.
[48] Budler accepted an undisclosed step-aside fee on January 11, 2023, to allow Teraji to face the WBO light flyweight champion Jonathan González in a title unification bout.
[50] Budler beat Wichet Sengprakhon by a first-round knockout on May 5, 2023, after which the WBC once again ordered Teraji to face him in a mandatory title defense.