The Oakland Raiders signed tight end Cooper Helfet to the practice squad Wednesday, and in a corresponding move, the team released linebacker Darnell Sankey from the practice squad.
Oakland Raiders Announce Transactions
![101216-transaction-cp.jpg](https://static.clubs.nfl.com/image/private/t_editorial_landscape_mobile/t_lazy/f_auto/raiders/koo1arv0jxxvsy4nnsim.jpg)
The Oakland Raiders signed tight end Cooper Helfet to the practice squad Wednesday, and in a corresponding move, the team released linebacker Darnell Sankey from the practice squad.