JENNINGS FIGHTS JOB JEOPARDY TOOTH & NAIL!

BOBBLE-HEADED Ken Jennings is buckling under intense pressure at Jeopardy! as rumors reach fever pitch that he could be on borrowed time — but sources say he’s clinging to the hosting gig and telling everyone he’ll turn things around and even play dirty if that’s what it takes to keep his finger on the buzzer of his dream job!

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Sources warn the 50-yearold Brainiac author won’t go quietly if and when push comes to shove.

“He’s desperate to make it work and has no intention of leaving of his own accord,” spills an insider.