John Niland was an American professional football guard who was one of the finest offensive linemen of his era, a six-time Pro Bowl selection, multiple All-Pro performer, and a central figure on the Dallas Cowboys offensive line that blocked for Roger Staubach and opened holes for the running backs of the team that won Super Bowl VI in January 1972 with a dominant 24-3 victory over the Miami Dolphins. He died on 15 August 2026 in McKinney, Texas, at the age of 82. His family donated his brain to the Boston University CTE Center.
He was born John Niland in 1944 and attended the University of Iowa, where he developed into one of the most highly regarded offensive linemen in the college game. The Dallas Cowboys selected him fifth overall in the 1966 NFL Draft, the highest a guard had been selected in the franchise’s draft history to that point, a choice that reflected the Cowboys’ commitment to building their offensive line as the foundation of championship-calibre football and their recognition that Niland’s combination of size, athleticism, pulling ability, and blocking technique represented exactly the quality they needed at the guard position to protect their quarterback and create the running lanes that a complete offensive system required.
Tom Landry’s Dallas Cowboys of the late 1960s and early 1970s were one of the most sophisticated offensive organisations in the NFL, using a system of multiple formations, pre-snap motion, and varied play-calling that demanded a high standard of execution from every player, and the offensive linemen who played in that system needed the football intelligence and the technical precision to operate within its complexity while also dominating physically at the point of attack. Niland met those demands consistently enough to earn six Pro Bowl selections and multiple All-Pro recognitions across his career with the Cowboys, confirmation from coaches and players across the league that his performance was among the finest at his position. The Cowboys’ offensive line in the Super Bowl VI season provided the protection and the running game support that allowed the team to shut down the Miami Dolphins with a methodical and dominant performance that produced the franchise’s first World Championship.
He also played for the Philadelphia Eagles in the later stages of his career before retiring. In his later years he suffered from dementia and oral cancers that were consistent with the neurological and health consequences that the medical community has associated with the repeated head impacts sustained across professional football careers at the highest level. His family’s decision to donate his brain for CTE research after his death was both a contribution to the growing scientific understanding of chronic traumatic encephalopathy in former professional football players and a public statement about the consequences of playing professional football in that era, when the long-term neurological effects of head impacts were not understood as they are today. He was 82 years old.