Alex Singleton (born November 7, 1989) is a former American football fullback. He played college football at Tulsa where he was a running back. He was signed as an undrafted free agent by the Oakland Raiders in 2013.After going undrafted during the 2013 NFL Draft, Singleton attended camp at the Oakland Raiders. After participating in rookie mini-camp, he was let go.On January 2, 2014, Singleton was assigned to the Arizona Rattlers of the Arena Football League (AFL). Wikipedia
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