by Aaron Wilson
May 13, 02014
Cleveland Browns rookie quarterback Johnny Manziel is popular.
He has the to-selling jersey since April.
The second most-sold jersey is St. Louis Rams rookie Michael Sam, the first openly gay player in the NFL.
Houston Texans defensive end Jadeveon Clowney, the top overall pick, ranked third among rookies for most jersey sales.
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Aaron Wilson covers the Ravens for The Baltimore Sun