The Saints are expected to sign tackle Khalif Barnes today, according to Adam Caplan of ESPN.com (on Twitter). Barnes had multiple auditions with the Saints this month and he finally has landed a deal with New Orleans. 
The tackle hooked on with New Orleans towards the end of the preseason but he did not make the final 53-man cut in early September. Coach Sean Payton indicated that Barnes didn’t make the team initially because he wasn’t in football shape. Now, Barnes is presumably ready for live action.
Barnes played in 14 games for the Raiders last year, but he only started one contest. In his previous ten NFL seasons, Barnes started in more than 80% of his games.
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