Gibcus joined the Tigers as the ninth overall selection in the 2021 National Draft, bolstering the Tigers' key defensive depths for the future.
Standing at 196cm, the Greater Western Victoria Rebels product is capable of playing both tall and small and has been touted as a ready-made asset for senior coach Damien Hardwick.
Speaking to his playing group ahead of their Tuesday training session, senior coach Damien Hardwick announced Gibus' selection - which was met with much celebration.
"We're really excited about what he brings," Hardwick said.
"He'll do some things that will amaze us and he'll obviously learn from experience as well.
Josh GIBCUS TO DEBUT
— Mitchell Keating (@MitchKeat) March 14, 2022
"He's a long term player for us that we're really excited about."
Tarrant is set to make his club debut at the MCG this week as the Tigers look to extend their 11-game winning streak over the Blues.