KANSAS CITY, Mo. – The family of a Kansas City Chiefs Hall of Honor offensive lineman is lobbying for his posthumous recognition among football’s immortals. Jim Tyrer, former Chiefs left tackle, started 180 games in a row for the Chiefs of the 1970s. He was a two-time Pro Bowl selection, and started as one of Hank Stram’s lineman for Super Bowl IV, the first world championship for the Chiefs franchise. Tyrer is one of three senior hall of fame nominees for enshrinement in the Pro Football Hall of Fame. Some consider him as pro football’s best player not included in the Pro Football Hall of Fame. Tyrer was also a standout offensive lineman for Ohio State University, having been drafted by the Dallas Texans in 1961. The Texans franchise later became the modern-day Chiefs. Patrick Mahomes talks birth of baby girl ahead of Texans matchup However, Tyrer’s resume includes controversy stemming from a 1980 murder-suicide. Tyrer took his own life moments after shooting his wife, Martha. The incident came six years after Tyrer’s retirement from the NFL. Tyrer’s family believes he suffered from the effects of repeated concussions. The Tyrers left behind four children, all of whom are now grown adults. Johnson County filmmaker Kevin Patrick Allen knows Tyrer’s story well. The filmmaker has spent five years creating “Beneath the Shadow,” a documentary detailing the tragedy from 1980. Allen joins others who believe Tyrer was an early sufferer of CTE, the concussion-based disorder some athletes face after repeated blows to the head. “The investigation becomes -- why did this guy change, and why did he change the way he did? Because it's not an evil thing. There's something else going on. Obviously, your mind goes to CTE,” Allen said on Tuesday. Hall of Fame voting for this year’s class was scheduled for Tuesday. Tyrer’s inclusion has the support of the Hall of Fame’s Senior Committee, but some voters refuse to get behind Tyrer, citing the murder-suicide. “It shouldn't be a dilemma, but it is because of what happened off the field,” Brad Tyrer, one of Jim’s children, told FOX4 on Tuesday. Tyrer said he and his siblings are in full support of their father’s positive recognition. Brad Tyrer said he wants Pro Football Hall of Fame voters to reflect on their father’s performance on the football field instead of the tragic incident from 1980. “His actions as a professional football player caused brain trauma that led to him doing something that disqualified him from being in the hall of fame. It’s ironic,” Brad Tyrer said. Allen said Hall of Fame voters have seen segments of his forthcoming documentary that pertain to Tyrer’s mental health. The Tyrer family believes they’ll know more about Tuesday’s vote in the coming weeks. This year’s class of inductees is expected to be formally announced on Thursday, February 6, a few days before Super Bowl LIX. FOX4 News reached out to the Pro Football Hall of Fame in Canton, Ohio and to the Chiefs franchise. Neither responded to requests for comment on Tuesday.