In Kansas City Chiefs lore, the Book of Patrick Mahomes closed its first chapter on December 14, 2025. When Mahomes tore his ACL, and the Chiefs were eliminated from playoff contention just a few minutes later, it was a wrap. So what happened after Brady tore his ACL? That may sound hard to believe, but it's Patrick Mahomes. Bent leg, broken leg, bionic leg, it doesn't matter.