The Buccaneers claimed defensive tackle Sealver Siliga off waivers from the Seahawks, a source tells Greg Auman of the Tampa Bay Times (on Twitter). 
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Siliga saw time in four games this season and racked up five total tackles. Siliga saw time in 13 games (four starts) for the Pats last season and finished out with 29 tackles. Between 2013 and 2014, he totaled 5.5 sacks in limited action.
To make room, the Bucs are waiving undrafted rookie defensive end Channing Ward. The Ole Miss product was inactive for Sunday’s game versus the Bears. Ward went undrafted this year despite enjoying his best collegiate season as a senior. In 2015, he tallied 35 tackles (including 6.5 tackles for a loss) and 3.0 sacks.