Halafihi arrives in Sheffield for 2022 after spending the last three years in the third tier with Hunslet.
The hooker has enjoyed regular game time with the League One side during his time at the South Leeds Stadium but has earned a step into the Championship after impressing at the Parksiders.
Son of former Eagles forward Nick, Halafihi is part of a trio who have fatherly connections with the club.
Personal Sponsor: Dean CrosslandPlayer Information
Date of Birth: 24/01/1994