49ers Star George Kittle Is Not Happy with NFL Over New Rule originally appeared on Athlon Sports. On Tuesday, the NFL issued a memo to all 32 clubs announcing a ban on ammonia inhalants, commonly known as smelling salts, effective for the 2025 season.

Kittle and Co. will face a significant challenge when the 49ers open the regular season with a matchup at the Seahawks on Sept. 7. As of Friday morning, DraftKings Sportsbook had San Francisco as a 1.5-point betting favorite for that Week 1 contest. Want more articles like this? Follow Yardbarker on MSN to see more of our exclusive NFL content.