Daniels attended Jefferson High School, where he was an honorable-mention All-PIL halfback and a part of two football championship teams.
[3] Daniels was signed as an undrafted free agent by the Dallas Cowboys after the 1966 NFL draft.
[6] In 1968, he was out for 4 weeks after being injured in pre-season, but came back to move Mel Renfro to right cornerback and start 6 games at free safety.
[7] In 1969, he was signed to the Chicago Bears taxi squad, before being promoted to the active roster on November 1.
On August 26, 1971, he was released after being passed on the depth chart by Jerry Moore.