Amanda Comak of the Washington Times reports that Bryce Harper (knee) is "likely" headed to the disabled list.
Mike Minor (shoulder) threw a successful live batting practice session Monday.
Tigers manager Brad Ausmus on Monday named Justin Verlander the club's Opening Day starter.
Javier Baez is starting at second base in Monday's Cactus League game versus the Athletics.
Adam Rubin of ESPNNewYork.com reports that Jon Niese (elbow) is expected to open the season on the disabled list.
Jim Duquette of Sirius XM Radio was told by a source close to Jose Iglesias that the shortstop is dealing with stress fractures in both shins.
Doug Fister (elbow) threw two-plus innings in a minor league game Monday.
Astros manager Bo Porter on Monday named Scott Feldman the club's Opening Day starter.
Daryl Van Schouwen of the Chicago Sun-Times reports that Conor Gillaspie is "tightening his grip" on the White Sox' third base job.
Cody Ross (hip) made his Cactus League debut Sunday, striking out as a pinch-hitter.
White Sox manager Robin Ventura announced Sunday that Tyler Flowers would be his starting catcher "unless something drastically changes."
Yahoo! Sports' Jeff Passan reports that there is "significant concern" that Joe Wieland might have re-torn the ulnar collateral ligament in his right elbow.