After 10 seasons in the NRL, the former Warriors captain had joined the Blues for the 2022 Super Rugby Pacific season.
Tuivasa-Sheck played almost 200 matches in the NRL, captained the Warriors for five seasons and - in 2018 - was named the best player in rugby league's best competition.
But despite months back on the rugby union training paddock, he wasn't quite feeling like a rugby player again just yet.
"I keep telling myself it's not until I lace up and run out in the colours that it's going to feel official.
