Besides signing second-round inside linebacker Arthur Brown to a four-year, $3.55 million deal that includes a $964,896 signing bonus, the Ravens conducted some other business today.
Rainey went undrafted out of Western Kentucky and spent three games on the active roster as a rookie last season before being placed on injured reserve with knee injury in November.
He rushed for 4,542 and 35 touchdowns in college.
The 5-foot-8, 212-pound Rainey was a standout during the preseason as an all-purpose threat.
Omar Brown was promoted from the practice squad for the final three games and recorded three tackles and one sack.
The 5-foot-11, 195-pound safety recovered a fumble on special teams against the Denver Broncos.
He went undrafted out of Marshall where he finished with 288 career tackles, nine interceptions and five forced fumbles.
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