Some numbers on the O's:
Baltimore has scored 3 or fewer runs 13 times this season. The Orioles have allowed 3 or fewer runs 3 times. (In fact, they've allowed 3 runs 3 times and not had a game in which they allowed 0, 1 or 2).
The O's have allowed an average of 1.03 runs in the 9th. They've allowed 0.65 runs in the 8th.
According to baseball-reference.com, the MLB average for runs allowed in the 9th is 0.49. For the 8th, it's 0.48.
Baltimore has lost 4 games in which it led or was tied going into the 9th. The MLB win percentage when ahead entering the 9th is .931.