Ahuna signed with the Giants on Tuesday.
Ahuna played at Tennessee in 2023 after transferring from Kansas. He appeared in 53 games, including 52 starts, with the Vols.
The former Vol recorded a .312 batting average, eight home runs, 42 RBIs, 43 runs, 37 walks and four stolen bases at Tennessee in 2023.
Ahuna appeared in 103 games at Kansas from 2021-22, recording a .357 batting average, nine home runs, 73 RBIs, 75 runs, 138 hits, 206 total bases, 56 walks and 21 stolen bases.
Ahuna is from Hilo High School in Hilo, Hawaii.
PHOTOS: Maui Ahuna debuts at Tennessee
4th-rder Maui Ahuna signs w/@SFGiants for $500k (pick 117 value = $569,100). @Vol_Baseball SS, projected as possible mid-1st-rder before inconsistent season w/bat, one of best defensive SS in @MLBDraft, strong arm, well above-average speed. pic.twitter.com/iVaOfs4rfw
— Jim Callis (@jimcallisMLB) July 25, 2023