Grimes played college football at Oklahoma State University. He was selected in the second round of the 1949 NFL Draft by the Chicago Bears, but instead played for the Los Angeles Dons of the All-America Football Conference.
Grimes engaged in college football at Oklahoma State University. He was selected by the Chicago Bears in the 1949 NFL Draft's second round, but instead chose to play for the Los Angeles Dons of the All-America Football Conference.