Is Keith Frazier really the first McDonald's All-American to sign with SMU?

On the press release, Frazier is called "the first McDonald's All-American to sign at SMU", a fact repeated by Kimball coach Snoop Johnson and Dallas Showtyme founder Erwin Davis during Frazier's signing ceremony.

http://highschoolsportsblog.dallasnews.com/2013/04/is-keith-frazier-really-the-first-mcdonalds-all-american-to-sign-with-smu.html/