Mick Foley says he so believes in his old WWE partner Kane's Mayoral run, that he's willing to stump for the guy personally, even though they're from two different parties.
Kane (real name Glenn Jacobs) is running for mayor in Knox County, Tennessee ... and he's getting a big help from his old running buddy, Mick -- who told TMZ Sports why Jacobs is the man for the job.
"One of the wisest, best read, most well-read, compassionate people I've ever met.