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The Redskins have signed offensive lineman Troy Kropog to their practice squad, according to the NFL’s daily transaction report. Kropog, a fourth-round pick of the Tennessee Titans in 2009, had spent training camp with the Minnesota Vikings.

The move comes on the same day that the Redskins lost practice squad tackle Xavier Nixon to the Indianapolis Colts’ 53-man roster. Nixon is an undrafted rookie out of Florida.

Kropog has appeared in seven games.