That was clear in their free agency plan this offseason with the signings of Justin Pugh and Andre Smith, in the draft with the Mason Cole and Chase Edmonds picks and with the move of Elijhaa Penny and pickup of undrafted free agent fullback Austin Ramesh.
Now, they are bringing in an established fullback as well, as the team has signed Derrick Coleman to a one-year deal per Adam Schefter:
Derrick Coleman agreed to a one-year deal with the Arizona Cardinals and should be the starting fullback, per source.