Tukuafu signed a contract with the Seahawks on Wednesday.
Tukuafu, who had spent the previous two seasons as the Seahawks' top fullback, was released in advance of the season opener, only to be re-signed before Week 2, then released prior to Week 3. In his steed, Luke Willson (knee) assumed the majority of fullback duties for Seattle. However, Willson is currently on the mend from arthroscopic knee surgery and facing an uncertain timetable for a return. RB C.J. Spiller was released in order to make room on the active roster.