Afterward, Staley cited the constraints of the NFL’s 48-player game-day roster and a desire to compete at the highest level possible for playing his regulars for most of the afternoon.

Source: https://www.latimes.com/sports/chargers/story/2023-01-08/for-starters-chargers-lose-mike-williams-finale-to-lowly-broncos-next-jacksonville

But he's not a good game-day coach and he refuses to make personnel adjustments when the is crying for it.

Source: https://fansided.com/2023/06/15/usmnt-re-hires-gregg-berhalter/

Distinguished by their white gloves, Handband members sign American Sign Language to hard-of-hearing and deaf spectators so that all fans can have an enjoyable game-day experience.

Source: https://thedmonline.com/handband-singing-with-sign-language/

Shamed by a 2007 congressional hearing and the angry pleas of former players with head injuries — and heartbreakingly anguished suicides — the NFL has followed a game-day concussion protocol since 2011.

Source: https://www.forbes.com/sites/jabariyoung/2023/01/14/damar-hamlins-story-shines-a-light-on-pro-footballs-cruel-record-on-disability-payments/

The Calgary Flames surprised the team with a New Year’s Eve game-day experience.

Source: https://globalnews.ca/news/9385692/hockey-cant-stop-calgary-flames-dinos/

… The Loons had four Minnesotans in the game-day roster Saturday, which is believed to be the most in its MLS era: Kallman (Woodbury), Devin Padelford (Maplewood), Iwe (St. Louis Park) and Patrick Weah (Maple Grove).

Source: https://www.twincities.com/2023/03/25/loons-let-vancouver-score-late-stoppage-time-goal-in-a-1-1-draw-at-allianz-field/