The Buffalo Bills are expected to sign OT Colin Brown off the Baltimore Ravens practice squad, a source confirmed. By rule, Brown must spend at least three weeks of Buffalo’s 53-man roster. He's expected to sign with Buffalo sometime on Tuesday.

Brown, who was selected in the fifth round of the 2009 NFL Draft by the Kansas City Chiefs, spent his entire rookie season on injured reserve with a calf injury.

He spent training camp and the preseason with the Chiefs, but was waived by the team on Sept. 4. He signed with Baltimore’s practice squad on Nov. 23.

-- Adam Caplan