
With left-handed pitcher Wade Miley on the mound for the Orioles, Marcus Semien will bat leadoff for just the third time this season.
Baltimore Orioles (63-48)
1. Adam Jones (R) CF
2. Hyun Soo Kim (L) LF
3. Manny Machado (R) 3B
4. Chris Davis (L) 1B
5. Mark Trumbo (R) RF
6. Pedro Alvarez (L) DH
7. Matt Wieters (S) C
8. Jonathan Schoop (R) 2B
9. J.J. Hardy (R) SS
Wade Miley -- LHP
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Oakland A's (49-63)
1. Marcus Semien (R) SS
2. Jake Smolinski (R) CF
3. Danny Valencia (R) 1B
4. Khris Davis (R) LF
5. Billy Butler (R) DH
6. Stephen Vogt (L) C
7. Brett Eibner (R) RF
8. Ryon Healy (R) 3B
9. Tyler Ladendorf (R) 2B
Zach Neal -- RHP