In addition to Matt Casey leaving, it appears that Sheriff Wallace Boden also (via A downtown Chicago). It seems likely that Sheriff Boden, played by Eamonn Walker, will accept the offer he was made at the end of Season 9 to become deputy sheriff of the Chicago Fire Department.
And while Sheriff Boden initially turned down the offer – later attempting to make Firehouse 51 the main base for its operations – Boden had to move to CFD headquarters instead. And while this means viewers may see a little less of Sheriff Boden, it looks like he’ll still be able to make regular appearances on the show, as the character will still be set in Chicago. and in the “Chicago Fire” universe.
“Boden cares deeply about Firehouse 51’s firefighters, but he also knows he can make huge improvements to CFDs. He’s going to balance the two,” explains Haas (via TV insider). Plus, with Boden leaving his role, it’s opening the way for a newcomer to take over and shake up the momentum in the firehouse.
As Boden told firefighter Stella Kidd, played by Miranda Rae Mayo, “Every time it changes, the platform changes a little bit” (via TV Insider). We just have to trust that what we’ve built here is strong enough to hold up. “
https://www.thelist.com/676533/is-chief-boden-getting-written-out-of-chicago-fire/ Was Sheriff Boden written down because of the Chicago fire?