The Arizona Cardinals have fined head coach Jonathan Gannon $100,000 following a sideline altercation with running back Emari Demercado, sources told ESPN reporter Adam Schefter. The incident occurred Sunday and prompted the team to impose the substantial monetary penalty as disciplinary action. According to multiple league sources, the fine stems from a heated exchange between Gannon and Demercado during the game. The Cardinals organization has not released a full public statement, but the report from ESPN’s Adam Schefter cites team insiders confirming the $100,000 punishment. This development adds to ongoing scrutiny of sideline conduct and team discipline in the NFL. Fans and analysts are watching how the fine affects locker room dynamics and Gannon’s standing with the Cardinals moving forward. Notably, an unrelated promotional line about a curated wellness collection also appeared alongside the report.