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Some confusion has surfaced as to whether the Patriots and tackle Sebastian Vollmer have agreed to terms. Per a source with knowledge of the situation, they have.

The four-year contract will pay $8.25 million Vollmer guaranteed, and it will have a base value of $17 million. Another $9 million will be available in playing-time incentives and roster bonuses, along with a $1 million Pro Bowl bonus.

Vollmer, a German-born player who arrived via round two of the 2009 draft, didn’t draw a lot of interest in free agency, presumably because no one believed he wanted to leave New England.

He didn’t. And he won’t be.