Schefter says the Patriots, Titans, Chiefs and Raiders are also interested at this point.
Nelson, 33, is a former second-round pick of the Packers back in 2008. He was entering the final year of his five-year, $43 million contract when the Packers released him last year.
The Raiders later signed Nelson to a two-year, $15 million contract.
In 2018, Nelson appeared in 15 games for the Raiders and caught 63 passes for 739 yards receiving and three touchdowns.
We have him listed in our Top-100 Free Agents Available list.