The Raiders continued to strengthen their special teams units in free agency by signing safety Brynden Trawick.
The team announced the addition on Wednesday afternoon.
Raider Nation rejoiced when versatile offensive lineman Kelechi Osemele signed a massive five-year contract with the Silver and Black.
UPDATE (Thursday at 12pm) -- The Raiders officially announced the re-signing of tackle Donald Penn on Thursday.
Bruce Irvin has been a strong side linebacker the past three seasons, spent with a Seattle Seahawks defense considered among the NFL’s best.
J’Marcus Webb made 16 starts along the Raiders offensive line last season. Most of them came at right guard, a new spot for the career tackle working under offensive line coach Mike Tice.