A former undrafted free agent from Ohio State, he caught six passes for 61 yards last season.
He has a previous stint with the Chicago Bears.
He has 34 career catches for 344 yards and three touchdowns.
“Dane is a player with an instinctive feel for the game, and he should have the chance for more playing time this year than we were able to find for him last year," Bengals wide receivers coach James Urban said. "He’s got assets that can help make us better.”
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Aaron Wilson covers the Ravens for The Baltimore Sun