Here's some scoop on Blue Bloods from this week's (Posted on 2/28/17) Ask Ausiello column.
Question: I saw Blue Bloods‘ Will Estes posted a picture with Sarah Mezzanotte on Instagram captioned, “My new partner!” What is going on? Where is Eddie? —Trenton
Ausiello: Worry not. We checked into Mr. Estes’ provocative pic and learned that Mezzanotte (Royal Pains) is merely guesting in one episode.
Link to the full article:‘Nashville’ Season 5: Rayna Death Spoilers — Replacement Character? | TVLine