According to Rapoport, Gilchrist will sign the deal on Friday.
Gilchrist has spent the last four years with the San Diego Chargers after being drafted by them in the second round in 2011. The 26-year-old has started every game the last two seasons.
In 2014, Gilchrist registered 76 tackles, two forced fumbles and an interception.
- Molly Geary