The Falcons signed safety Jason Thompson to get back to the 90-man roster limit on Monday.
Safety Afolabi Laguda, who signed a two-year contract in April, was waived by the Falcons on Saturday.
Johnson, 6-feet-2 and 208 pounds, was undrafted after playing in college at Wyoming and Utah. He has spent time with the Patriots, Seahawks, Cowboys and Titans.
Laguda played at Colorado with Falcons cornerback Isaiah Oliver, who’s slated to take over at right cornerback for Robert Alford.
Laguda, who is 6-1 and 214 pounds, signed with the Rams as an undrafted free agent last season. He played at Brookwood High. He started his career at Butler (Kan.) Community College before playing at Colorado.
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