Nick Johnson's right wrist injury isn't getting any better, and is a "long shot" to return next month, according to Showalter.
Reliever Stu Pomeranz is dealing with a leg injury that is causing some back problems in extended spring, setting back his attempt to rehab an oblique injury.
The Orioles will have Wei-Yin Chen T-Shirt Thursday for the lefty's start against the Royals. The first 10,000 fans 15-and-over attending the game will receive a T-shirt featuring "Orioles" on the front and Chen's name on the back, both written in Mandarin Chinese.
Hall of Famer Eddie Murray will be the fourth Oriole honored on Saturday as part of the Orioles Legends Celebration Series.
A larger-than-life bronze sculpture of Murray will be revealed in a ceremony in the Legends Area beyond center field, beginning at 5:15 p.m. All gates open at 5:00 p.m., and all fans in attendance will receive a replica of the sculpture.
Murray will also be honored in an on-field ceremony and will throw out the ceremonial first pitch prior to the game.