MASN's Roch Kubatko reports that Baltimore Orioles infielder Jorge Mateo (elbow) will not be ready for Opening Day this year. Mateo had UCL reconstruction on his left (non-throwing) elbow last year and will not be ready in time when regular-season games kick off at the end of March.

With camps opening for spring training, it’s common for clubs to provide updates on player health or the lack thereof. Orioles general manager Mike Elias

Orioles left-hander Trevor Rogers isn’t expected to be ready for the start of the season after a partial dislocation of his right kneecap during the offseason

Heston Kjerstad arrived early at Orioles spring training, well ahead of the report date for position players. He’s fighting for a roster spot in a crowded outfield, and if he doesn’t make the club, it won’t be for lack of an opportunity.