Texans defensive end J.J. Watt is one of the scariest players in the NFL. And now, he has a contract that reflects that fact. Last night, Watt inked a six-year, $100 million extension with Houston, with more than $30 million fully guaranteed up front, plus $21 million more after 2016. It also means that Watt will be a Texan until at least 2021 — or at least, he's under contract until then.

Watt is 25 years old and has 217 tackles and 36.5 sacks in three NFL seasons. More details on Watt's new deal, from Pro Football Talk:

Per a source with knowledge of the deal, Watt will receive $30.87 million fully guaranteed at signing. The source says that the balance converts at the beginning of the 2016 league year.

Which means that, after two more seasons, $51.876 million will be fully guaranteed for Watt. That’s a far better structure than the Colin Kaepernick deal, which won’t see the injury-only guarantees fully flip for five years.

The structure beyond 2016 still becomes important, because at some point the Texans may have to choose between Watt and linebacker Jadeveon Clowney. The bigger Watt’s cash and cap numbers after Clowney finishes his third season, the less the Texans will have to pay both of them.

Between Watt and No. 1 overall draft pick Clowney, the Texans have put together what could be one of the scariest D-line duos in league history. Smart thinking by Houston to lock them up early. Here's hoping Watt doesn't indulge in the H-Town strip club scene too heavy with all that new money.

[via PFT]