Shocking allegations from Michael Oher ... the former offensive lineman says the family who took him in, helped him become an NFL star and was later portrayed in the hit movie "The Blind Side," lied to him, never adopted him and screwed him out of potentially millions of dollars.
The ex-Baltimore Ravens tackle spelled out the eyebrow-raising claims in a petition filed in Shelby County, Tenn. on Monday ... alleging Sean and Leigh Anne Tuohy "exploited" him "for their own benefit" after realizing he was a "gullible young man" with athletic talent.