Milone wasn't able to pitch in his scheduled simulated game Tuesday due to a left trap injury, Steve Melewski of MASNSports.com reports.
The Orioles appear to be viewing the neck issue as a minor concern, as manager Brandon Hyde acknowledged that Milone might be ready to get back on the mound Wednesday to face hitters. The non-roster invitee is competing for a back-end spot in the Orioles' rotation this spring.