In the weeks and months leading up to his inevitable megadeal, Derek Carr says he checked in with his agent to make sure his payday didn’t stop the Oakland Raiders from locking up other cornerstone players.

Oakland maintaining some financial flexibility paid off just days after reaching an agreement with its star quarterback, as Gabe Jackson received a five-year, $56-million extension of his own last week.

The standout guard is appreciative of Carr’s efforts to that end.

“It means a lot,” Jackson said in a conference call, according to the team’s official website. “To be honest, I started smiling when I first heard him say that because, I mean, he always said that to me before, that he wants to make sure everybody else is good, it just goes to show you about his character, and how he is as a person. He’s one of the most selfless people I know.”

While it’s unclear whether Carr left any money on the table, his Year 1 cap hit of $15.7 million at the very least would have helped the Raiders get Jackson’s big-money deal under the cap this offseason.

Doing so with some sort of front-loaded structure could then clear the way for extensions for other young stars like Khalil Mack and Amari Cooper over the next few years.

Jackson, a third-round pick in the same 2014 draft that saw Oakland come away with Carr and Mack, is a staple on one of the NFL’s most dominant offensive lines.

The new-money average of $11.2 million per season makes him the NFL’s third highest-paid player at his position, behind only Kevin Zeitler and fellow Raiders guard Kelechi Osemele.

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