After six seasons with the San Francisco 49ers, linebacker Dre Greenlaw signed on to play with the Denver Broncos in free agency.

The San Francisco 49ers ... With Fred Warner’s massive contract and upcoming extensions for other key players, San Francisco may not have the flexibility to retain Greenlaw. Dre Greenlaw ...

Given their injury histories, are Dre Greenlaw and Talanoa Hufanga big losses for the 49ers? We asked Niners Wire.

With Fred Warner’s massive contract and upcoming extensions for other key players, San Francisco may not have the flexibility to retain Greenlaw. The post 49ers May Have to Decide Between Fred Warner ...

The 49ers really want Dre Greenlaw to return. At least three other teams really want him. It will be hard for the 49ers to keep Fred Warner's partner in grime--not impossible, though.— ...

Dre Greenlaw is a ... make it difficult for the 49ers to retain Greenlaw. "An under-the-radar headache that could really impact this offseason's spending: Fred Warner's contract extension ...

One of the biggest uncertainties facing the San Francisco 49ers this offseason is the future of linebacker Dre Greenlaw ... Fred Warner has been vocal about his desire to see Greenlaw return ...

Fred Warner remains a lockdown presence in the middle of Robert Saleh’s defense. However, the uncertain future of fan-favorite Dre Greenlaw leaves a hole next to Warner. The 49ers failed to plug ...

The San Francisco 49ers missed the playoffs last season and now face some tough decisions in free agency. They could be parting ways with a key defender. Dre Greenlaw tore his Achilles in the ...