Dodgers manager Don Mattingly said Thursday that he doesn't think Hyun-Jin Ryu (glute) will be ready to make his next scheduled start.
Trevor Cahill will start the Padres' third regular-season game.
Rockies manager Bud Black named Jon Gray as his Opening Day starter.
Blake Treinen has been named the Nationals' closer.
Rangers signed 2B Rougned Odor to a six-year, $49.5 million contract extension with a $13.5 million club option for 2023.
According to Jon Heyman of FanRag Sports, the Cardinals "have quietly showed interest" in White Sox starter Jose Quintana.
Jeanmar Gomez will open the 2017 regular season as the Phillies' closer.
Zack Wheeler will start the Mets' fourth regular season game.
An MRI came back negative on the left elbow of Mets starter Steven Matz.
Red Sox placed LHP Drew Pomeranz on the 10-day disabled list with a left flexor strain.
Yankees manager Joe Girardi named Aaron Judge the club's starting right fielder.
Twins reassigned 1B/DH ByungHo Park to minor league camp.