[7] Eubanks made his NBA debut on October 20, 2018, in a 108–121 loss against the Portland Trail Blazers, playing three and a half minutes and scoring two points.

[19] After making his debut with the Suns on October 24,[20] the NBA announced on October 25 that the Suns lost one of the second-round picks they had the rights to at the time for the 2024 NBA draft due to being in contact with Eubanks before the 2023 free agency period began.

Despite the punch, Eubanks would still play for the Suns that night, putting up 6 points and 6 rebounds in 18 minutes for Phoenix's 116–100 win over the Pistons.

[22] On June 21, 2024, Eubanks declined his $2.6 player option with the Suns entering free agency.

[24] On February 1, 2025, Eubanks was traded to the Los Angeles Clippers alongside Patty Mills in exchange for Mo Bamba, P. J. Tucker, a 2030 second-round pick and cash considerations.