Dy made his professional debut on a Nemesis MMA card in Quezon City, Philippines where he won by TKO in the 2nd round. He had 3 straight wins in Pacific Xtreme Combat (PXC) before signing with the UFC as a replacement fighter on two weeks notice.[3]
Ultimate Fighting Championship
Dy's UFC debut was against TUF alum, Alex Caceres on June 17, 2017, in UFC Fight Night: Holm vs. Correia.[4] Dy was dominated by the UFC veteran until the fight was stopped between the 2nd and 3rd rounds due to a cut on Dy's right eye. It was ruled as a TKO victory for Caceres.[5]
On September 23, 2017, Dy faced Teruto Ishihara in UFC Fight Night: Saint Preux vs. Okami.[6] He lost the fight via unanimous decision. The bout could've resulted to a majority draw if not for a point deduction from Dy for repeated groin strikes to Ishihara.[7] The scores read 28–27, 28-27 and 29–27.[8]
Dy confirmed that he was cut from the roster via email after 2 consecutive losses. However, he was offered a fight against UFC newcomer Wuliji Buren in UFC Fight Night: Bisping vs. Gastelum on November 25, 2017, as a late replacement.[9][10] At the weigh-ins, Dy weighed in at 148 lbs., two pounds over the featherweight limit. As a result, he forfeited 20% of his purse to Buren and the bout was fought at a catchweight.[11] Dy won the fight by unanimous decision.[12]
Dy faced Shane Young on June 23, 2018, at UFC Fight Night 132.[13] He lost the fight via technical knockout in the second round.[14] This fight earned him his first Fight of the Night award.[15] Later, he was subsequently released by the UFC.[16]
Post-UFC
After being released by the UFC, Dy fought in two Middle East based promotions and captured the Abu Dhabi Warriors featherweight Championship on May 6, 2019.[17]
Dy was scheduled to defend his UAE Warriors title against Austin Arnett at ADW 6 on October 18, 2019. However, Arnett withdrew from the bout due to an injury and was replaced by Do Gyeom Lee. Dy lost the bout via knockout.[18]
Brave Combat Federation
After the title loss, Dy returned to Brave CF, facing Anzor Abdulkhozhaev at Brave CF 33 on December 27, 2019. He lost the bout via technical knockout in the first round.
Dy faced Maciek Gierszewski at Brave CF 42 on September 24, 2020. He won the fight via split decision.[19]
Just over a month removed from his previous bout, Dy faced John Brewin at Brave CF 44 on November 5, 2020. Dy won the bout via unanimous decision.[20]
Dy faced Abdisalam Kubanychbek at BRAVE CF 47 on March 11, 2021. He lost the fight via corner stoppage between the second and third round.[21]
Dy faced Slobodan Maksimović on December 18, 2021, at Brave CF 56.[22] He lost the bout via controversial unanimous decision.[23]
Dy faced Ho Taek Oh on April 30, 2022, at Brave CF 58. He lost the bout in the first round after getting dropped and then submitted via rear-naked choke.[24]
Dy faced Olzhas Eskaraev on September 30, 2022 at Brave CF 62. He lost the bout after getting knocked out in the second round and retired after the bout.[25]
Bare-knuckle boxing
Bare Knuckle Fighting Championship
On December 10, 2022, Dy made his bare-knuckle boxing debut in the main event of BKFC Asia 4: The Big Bash, defeating Apisit Sangmuang by first-round knockout.[26]
BKB
Rolando Dy defeated George Hilyard by fourth-round knockout at BKB 34 on September 16, 2023.[27]
Rolando Dy fought Martin Reffell for the BKB British Featherweight Championship at BKB 37 on March 30, 2024.[28][29] He lost by unanimous decision.