The Falcons confirmed Allen's injury on Monday and will play the rest of the season without their starting safeties. Strong safety Keanu Neal suffered a season-ending knee injury in Week 1 at Philadelphia.
He signed a three-year $19.5 million contract extension over the offseason. He is considered the leader of the defense, and his long-term loss likely will be significant for the team.
The Falcons defense also has been playing without linebacker Deion Jones (broken foot), defensive end Takk McKinley (groin) and defensive end Derrick Shelby (groin).
"Yes, (general manager) Thomas (Dimitroff) and I discussed that, and we'll continue to discuss that afterward," Quinn said. "We have some other guys with some versatility that we'll try to plug around. We'll see what the length of the injuries are. That would certainly make a difference if we went outside to look for somebody else."
Veteran safeties Eric Reid, Tyvon Branch and Mike Mitchell are free agents.
--Field Level Media
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