Lenyn Sosa is among those who will be a short-term fill-in at 3B in Chicago; Mervis promotion shakes up 1B for the Cubs, and more.

Multiple roster moves for the Marlins punctuate a busy day of mid-week transactions.

Tyrone Taylor is back in the MIL outfield; regulars for SF and NYY hit the IL; a big batch of rookie callups, and more.

Bryce Harper is awaiting a final medical clearance and is likely to return to the Phillies lineup this week. Plus Bibee sticking for the Guardians, Stone to be added for the Dodgers, and more.

Kerry Carpenter is out, so is Jacob deGrom. Ramon Laureano and Michael Harris are back, plus the rest of the day's impactful news.

Nick Pratto recalled to KC, arm injuries for Whitlock and Marquez, a missing battalion returns to the Dodgers...

Bailey Ober (pictured) is among the candidates to fill the MIN rotation spot; SEA also will adjust with the Robbie Ray news; Joey Ortiz gets the call in BAL, and more.

The surprise demotion of Jordan Walker affects the STL outfield picture; Reynolds, Gonsolin, Márquez return, and more.

Pavin Smith's hot return to the majors is going to result in more AB; two outfielders return in SF; Siri up, Bradley down for Tampa, and more.

Joc Pederson regains his strong-side platoon spot for the Giants; DeJong back with the Cards; an injury update for O'Hoppe and the Angels, and more.

The Rockies are prioritizing infield defense as Ryan McMahon moves back to 3B; Alcantara scratched and Will Smith still out; Musgrove returns and more.