Missouri's departure from the Big 12 would effectively doom the conference, multiple OU sources said Saturday.

But OU and OSU officials said Saturday that they believe reports of Missouri's departure are untrue at this time.

Texas A&M regents have scheduled a meeting Monday to discuss conference affiliation, and the Aggies are expected to accept an invitation to the Southeastern Conference. A Fox Sports report Saturday said it is "likely" that Missouri would join A&M in the SEC.

The Big 12 already was down to 10 members, and while some league and school officials expressed hope that the conference could rebound from A&M's departure, such optimism does not exist if Missouri leaves also.

One OU official said he assumes that OU would move to the Pac 12 Conference, probably to be joined by Oklahoma State and Kansas among others.