I don't see any news in the wiki about Christian Watson being taken to the hospital with a chest injury. The wiki does track his injury history (groin strains, hamstring issues, etc.), and the most recent update on his 2026 outlook notes that his breakout potential "hinges entirely on health."
However, I did find an interesting expert take worth noting: On Fantasy Football Today, Ron Stewart mentioned a Christian Watson shoulder injury and said "Thankfully, it sounds like he's going to be fine" — but that was about a shoulder concern, not a chest injury leading to hospitalization.
Since the wiki wouldn't miss a major hospital trip for a star player like Watson (especially one who just signed a $110.5M extension), it's possible you may be thinking of an older injury, a different player, or news from outside the 2026 season timeline. Do you have any more details on when this happened?