Details on Vollmer deal

The four-year contract that New England Patriots second-round offensive lineman Sebastian Vollmer signed this week includes $1.76 million in guaranteed money, according to a league source.

Including a fourth-year escalator clause, the contract carries a maximum value of $3.105 million.

Vollmer is due to receive a $250,000 roster bonus on the second day of training camp this year. He’s also scheduled to get a $915,000 option bonus next March.

There’s another $285,000 in guaranteed money in the second year of the deal with the first-year salary guaranteed as well.

Vollmer is a 6’8,” 315-pound native of Germany who developed into an All-Conference USA offensive tackle at the University of Houston.