Patriots to sign FB Polite

The Patriots will sign fullback Lousaka Polite, sources have told the Globe’s Shalise Manza Young.

With guard Logan Mankins recovering from a knee injury and unlikely to play on Sunday vs. the Bills, the Patriots plan to use Donald Thomas, who had been playing in some situations as a fullback, at guard. Polite would play as a situational fullback.

The Patriots have a roster spot available for Polite yesterday because they waived defensive back Ross Ventrone yesterday.

Polite played in four preseason games for the Dolphins, but has not appeared in a regular-season game since last season. In seven NFL seasons, he’s played in 75 games for three teams (Dolphins, Bears, Cowboys).

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