The Ravens signed Richards to a future deal Saturday.
Richards was promoted from Baltimore's practice squad to the active roster Monday, Jeff Zrebiec of The Athletic reports.
Richards was promoted to the Ravens' active roster Saturday, Daniel Oyefusi of The Baltimore Sun reports.
The Ravens signed Richards to a one-year contract Sunday, Ryan Mink of the team's official site reports.
Richards signed a contract with the Ravens on Thursday.
Richards plans to sign with the Patriots on Wednesday, Field Yates of ESPN reports.
Richards inked a deal with the Raiders on Friday.
Richards accounted for 39 tackles and three pass deflections for the Falcons in 2018.
Richards tied a career-high with seven tackles, but the Falcons fell to 1-4 with a 41-17 road loss to Pittsburgh on Sunday.
Head coach Dan Quinn said Wednesday that Richards is a candidate to become the Falcons' primary in-the-box safety with Keanu Neal (knee) on injured reserve, D. Orlando Ledbetter of The Atlanta Journal-Constitution reports.