Former San Francisco 49ers linebacker NaVorro Bowman is signing a one-year, $3 million deal with the Oakland Raiders, sources told ESPN's Adam Schefter. Bowman fills a need for the Raiders at middle linebacker with rookie fifth-round draft pick? Marquel Lee?out with an ankle injury. The 49ers released Bowman on Friday after seven seasons with team. Before that move, the?49ers had agreed to trade the veteran to the? New Orleans Saints?for a seventh-round draft pick, league sources told ESPN. But after agreeing to the trade, the 49ers learned that Bowman preferred to be a free agent and decide where he would play next. As a reward for his service, San Francisco acquiesced and released the linebacker.??