Davis was added to the playoff roster only 15 minutes before the 10 a.m. deadline, according to Chris Lott of MLive.com.
Davis sprained a ligament in his hip area Saturday and did not play Sunday.
The lineups for Thursday's game is as follows:
Detroit is appearing in its fourth consecutive postseason, while the Orioles are in the playoffs for the second time in last three years.
- Dan Gartland