In a surprising move, the " data-canon="St. Louis Rams" data-type="SPORTS_OBJECT_TEAM" id="shortcode0"> released linebacker Jo-Lonn Dunbar, according to Howard Balzer on Twitter. Dunbar made 116 tackles while starting every game last season, but got suspended for the first four games of 2013 for violating the league's policy on performance-enhancing substances.

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