The Raiders have released receiver Seth Roberts, a source told NBC Sports Bay Area on Thursday morning.
The transaction became official later in the day, roughly 24 hours after the Raiders signed veteran wide receiver Ryan Grant.
Roberts was set to make a $4.45 million base salary in 2019, the final season of a three-year contract extension signed under previous general manager Reggie McKenzie.
It creates $4.8 million in salary-cap space, though the Raiders had some wiggle room there.
The Raiders have undergone a complete receiver overhaul, with Antonio Brown, Tyrell Williams, J.