Once a pillar of the 49ers defense, linebacker Dre Greenlaw is returning to San Francisco on a one-year, $7.5 million deal, NFL Network Insider Ian Rapoport reported.

The Niners and Greenlaw have agreed to a one-year, $7.5 million deal in free agency, NFL Network's Ian Rapoport reported. Greenlaw played the first six seasons of his NFL career with the 49ers before playing last season for the Denver Broncos. The 49ers had about $22.6 million in cap space heading into free agency.

After being officially released by the Denver Broncos with a post-June 1 designation on Thursday morning, linebacker Dre Greenlaw quickly agreed to terms on a one-year deal with the San Francisco 49ers,

In a surprising turn of events, Bryce Huff is walking away from football at the age of 27. The San Francisco 49ers acquired Huff last offseason in a trade with the Philadelphia Eagles. He appeared in 15 games this past season,