Source: Texans sign ex-Brown Gaines
Gaines was an unrestricted free agent of the Cleveland Browns last season. He played in nine games and started seven. He caught only five passes last season and 84 during his career.
Dickerson is expected to be used more as a wide receiver. Owen Daniels remains the starting tight end.
John Clayton, a recipient of the Pro Football Hall of Fame's McCann Award for distinguished reporting, is a senior writer for ESPN.com.
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