Brisbane centre Tom Opacic.

The Brisbane Broncos have secured promising rookies Tom Opacic, Jaydn Su'A and Jonus Pearson on new contracts, a day after Test forward Matt Gillett signed a new four-year deal with the club.

Centre Opacic and teenage forward Su'A have both signed new two-year contracts while winger Pearson has signed on for 2017 after scoring two tries in his NRL debut last month.

"It is wonderful to have these three young men re-commit to the Broncos," said chief executive Paul White.

"They are three players we have identified and developed through our own pathways.

"To have all three of them make their NRL debuts this year was a great achievement for them, their families and the Broncos club."

Read more at broncos.com.au