The designer of Taylor Swift’s custom Chiefs jacket has been revealed to be Kristin Juszczyk, wife of Niners fullback Kyle Juszczyk. Juszczyk’s work was worn by Taylor Swift and Brittany Mahomes at the Chiefs’ wild card win over the Dolphins. Additionally, it later popped up at the Lions’ win over the Rams. Actor Taylor Lautner rocked a custom Aidan Hutchinson …