Former Jets QB Christian Hackenberg was waived by the Raiders on Tuesday.
Hackenberg was traded last month for a conditional seventh-round pick in 2019 -- a pick the Raiders will now get to keep.
"I was disappointed in not really giving Christian the opportunity to go to camp," Raiders coach Jon Gruden said after Tuesday's practice, per ESPN. "We felt like we needed to add a couple defensive linemen. We ran out of numbers, and that's not good at that position heading into camp."
The 2016 second-round pick had earned praise from Gruden in 2016, when he wrote that Hackenberg just needed "to get in the right system with the right people and refocus on the small details."
Hackenberg has not appeared in a regular season game.