RJ Abarrientos

Rhon Jhay Abarrientos (born September 14, 1999) is a Filipino professional basketball player who last played for Shinshu Brave Warriors of the Japanese B.League.

Ulsan Hyundai Mobis Phoebus (2022–2023)
On June 14, 2022, Abarrientos decided to forego his remaining years of eligibility left to play for FEU. He was then signed by Ulsan Hyundai Mobis Phoebus of the Korean Basketball League as an Asian player quota, becoming the second Filipino cager to do so after fellow Gilas player, SJ Belangel of Daegu KOGAS Pegasus.

On October 15, 2022, Abarrientos made his KBL debut, scoring 13 points, 7 rebounds, 7 assists and 1 steal in win over Suwon KT Sonicboom, 85–76 at Suwon KT Arena. On March 30, 2023, Abarrientos was honored KBL Rookie of the Year, averaging 13.6 points, 2.7 triples, 4.8 assists, 2.9 rebounds, and 1.4 steals in 29.1 minutes over 51 games on his 2022–23 debut season.

On June 30, 2023, Abarrientos mutually parted ways with team, thus terminating the remaining two years of his contract.

Shinshu Brave Warriors (2023–present)
On July 4, 2023, Abarrientos signed with Shinshu Brave Warriors of the Japanese B.League.

Philippine Basketball Association
On July 14, 2024, Abarrientos was selected by the Barangay Ginebra San Miguel as the third overall pick in the 2024 PBA Rookie Draft.

Personal life
Abarrientos is a nephew of former PBA MVP and 12-time champion Johnny Abarrientos.