Per Rapoport, the deal is worth $3 million. With no offsets on his 49ers contract, Bowman will be paid by both teams.
"I am only 29 years old and I have a lot of juice left," Bowman said, per Vic Tafur of The Athletic. "We're 2-4. I look forward to the challenge and I think the guys do too."
The 29-year-old has struggled in coverage this season and was set to see his playing time diminish as the 49ers decided to move forward with younger players. But Bowman brings veteran savvy and tackling to a Raiders team in need of an upgrade up the gut. Oakland owns a bottom-tier rush defense that was gashed by Melvin Gordon on Sunday.