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The Bengals could be on the verge of losing linebacker Rey Maualuga for the rest of the year after he suffered a significant hamstring injury vs. the Panthers. If he's place on I.R. this week, the team could look to fill his spot on the roster with a street free agent.
Here's a look at the notable free agent outside linebackers:
Stephen Nicholas
Pat Angerer
Omar Gaither
Austin Spitler
Michael Boley
Rocky McIntosh
Erin Henderson
Marvin Mitchell
Will Herring
Kendrick Adams
Rob Jackson
And the middle linebackers:
Stewart Bradley
Ernie Sims
Keenan Clayton
Dan Connor
James Davidson
Paris Lenon
Jamar Chaney
Rob Francois
Desmond Bishop
Kevin Burnett
Jonathan Vilma
Will Witherspoon
Nick Barnett
Michael Boley was signed by the Bengals in the middle of last year, and played significant snaps in several games. For the sake of familiarity and knowing the Bengals' system, he could be considered.
James Davidson was signed as an undrafted free agent defensive end out of UTEP this offseason. He too is familiar with what the Bengals do, but he doesn't fit what they need right now.
There's always Anthony Schlegel, who looks like he's still in game shape and ready to hit someone.
Offensive guard could be another position the Bengals look to with Kevin Zeitler's injury, though he's expected to return soon.
As of now, T.J. Johnson is the only true backup guard, though Tanner Hawkinson and Marshall Newhouse did play some guard during the preseason. Here's a look at the best free agent guards:
Leroy Harris
Nate Livings
Antoine Caldwell
Otis Hudson
Mike Gibson
Richie Incognito
Danny Watkins
John Sullen
Harvey Dahl
Rob Turner
Nate Livings played and started for the Bengals in 2011 before leaving and flaming out after a stint with the Dallas Cowboys.
Otis Hudson was drafted in the fifth round of the 2010 draft by Cincinnati, but has never been able to last with any NFL team.
The Bengals are also thin at tight end. Tyler Eifert is still out for another couple of weeks. Jermaine Gresham hasn't been used in the offense much, but he is a viable weapon who defenses respect. If he goes down, Kevin Brock becomes the No.1 Tight End. H-back Ryan Hewitt can play some tight end though as well.
Joel Dreessen
Jeff King
Leonard Pope
Dustin Keller
Kory Sperry
Ben Hartsock
Kellen Winslow
Blake Annen
Anyone catch your eye?