https://screenrant.com/chicago-fire-season-12-rome-flynn-gibson-exit-disappointing/

Firehouse 51 has already had a couple of big exits in recent months, but Chicago Fire season 12's latest cast departure is possibly the worst one.

Chicago Fire Season 12's Latest Actor Exit Wastes Its Chance To Have A Better Casey And Severide Replacement (https://screenrant.com/chicago-fire-casety-severide-better-replacement-carver-gibson-wasted/)

One Chicago is used to changing cast, but Chicago Fire season 12 losing its latest character strips it the chance to replace Severide and Casey.