The official numbers are for the deal signed by Patriots tackle Sebastian Vollmer.
Per a source with knowledge of the contract, the base value over four years is $16.75 million, but millions more are tied to playing time and performance.
The deal includes a $7 million signing bonus and base salaries of $1.25 million in 2013, $2 million in 2014, $2.25 million in 2015, and $2.25 million in 2016.
Plenty more can be earned via bonuses and incentives.
In 2013, Vollmer can each $750,000 in playing-time incentives, along with a $250,000 Pro Bowl bonus.
In 2014, Vollmer gets a $1 million roster bonus if he’s on the team the third day of the league year -- and if he participated in 80 percent of the plays in the prior year. He’s also eligible for $2 million in playing-time incentives and $250,000 if he makes it to the Pro Bowl.
In 2015, Vollmer can earn another third-day-of-league-year roster bonus of $1 million, again if he participates in 80 percent of the snaps the prior year. Another $1 million comes from per-game roster bonuses of $62,500. Another $1.75 million is available in playing-time incentives, along with $250,000 if he makes it to the Pro Bowl.
The bonuses and incentives are the same in 2016 as in 2015.
It adds up to another $12.25 million, which pushes the maximum value to $29 million.