As talented as Marshawn Lynch is, it still bears watching whether the Seahawks think he’s worth all the headaches once this season is over.

Lynch was tremendous once again Sunday night, rushing for 113 yards on just 10 carries in a 35-6 rout of the Cardinals highlighted by a 79-yard TD rumble he capped by grabbing his crotch while in midair.

It was the kind of performance that, on the surface, would make you think the Seahawks — who are on a serious roll and look headed for a Super Bowl repeat — would be crazy to dump Lynch in the offseason, as ESPN quoted sources earlier in the season saying they would do.

But there’s always more than just football with the mercurial running back, which is why Lynch could very well follow Percy Harvin — a notorious locker-room headache who was traded to the Jets midseason — out the door next spring.

Lynch’s antics were an issue once more Sunday. Not only will the crotch grab on national TV surely draw a hefty fine from the NFL, but Lynch’s first-quarter absence was curious to the point of suspicion.

Lynch and the Seahawks claimed he was sick, but he stayed on the sidelines close to the action throughout the first quarter and was even spotted eating Skittles. And how incredibly convenient it was for Seattle that Lynch suddenly felt well enough to go in as soon as the second quarter started.

If it walks like a team suspension and talks like a team suspension, it’s probably a team suspension.

While that might sound like a conspiracy theory, keep in mind the Seahawks were somehow able to keep a fight between Harvin and Golden Tate at their Super Bowl team photo last January — with 5,000 reporters in town — completely under wraps until leaking it in October to make the Harvin trade more publicly palatable.

Then there is Lynch’s unprofessional standoff with the media and the league over his contractual obligation — which he shares with every other player — to speak with reporters.

The NFL has already fined Lynch $100,000 for not cooperating with the media, and further fines could be forthcoming because Lynch now speaks with reporters but only gives monotone, one-word answers or, as he did Sunday, repeatedly replies with little more than “Thanks for asking.”

Lynch also loves to create a scene in the locker room during the week, frequently blasting a stereo at his locker so loud that reporters can’t have a conversation with other players near him.

That might be funny to some, but rest assured neither the Seahawks nor the league find it humorous.

As a result, don’t be surprised if Lynch ends up lighter in the wallet and shifting into “Beast Mode” in a different uniform by next season.