LaDainian Tomlinson tells TMZ Sports he has no problems with Dak Prescott's national anthem opinions -- ONLY IF they're actually his.
Remember ... the Cowboys star backed Jerry Jones just days after the team owner insinuated he'd cut players for kneeling during the anthem.
When we got L.T. out at LAX ... and he told us the criticism Dak received for that stance was BS ... but only if that's what the star QB truly believed.