The closer carousel is officially on tilt, and Arizona is its latest stop. Plus significant rotation news from Pittsburgh, Detroit, Seattle and more.

The Rangers left side of the infield appears set; new OF configuration in CLE; injuries and demotions in PIT, OAK and KC.

Despite a stellar spring, Jackson Holliday will start the season in Triple-A. Plus roster and IL updates on the likes of Eury Pérez, Eduardo Rodriguez, Brayan Rocchio, and more.

Martinez finally finds a home; Reds, Cubs, Jays and Royals finalize rotations; Aranda injury in Tampa creates some roster uncertainty.

Blue Jays' bullpen roles in flux; Lorenzen inks with Rangers; more fallen Reds.

Tampa OF in flux with J. Lowe injury; K. Jansen slow ramping up; Chourio makes MIL roster, more.

Not exactly what he was seeking, but Blake Snell heads to San Francisco. Plus big pitching injury news in Minnesota and some young-player demotions in CLE and OAK.

Things are not currently looking up for Eury Pérez; Germán signs with Pittsburgh; Stone wins 5th starter job in LA; more.

J.D. Davis lands into a full-time role in Oakland; Duvall and M. Taylor find new outfield homes; more.

Spring training news deluge: The playing-time implications of Cease to SD; Williams and Cole to lengthly IL stints; and more.

Two elite-level pitchers have important doctor appointments; the results of which will affect roles up and down their team's rosters.