Coming off a sweep to the Angels, the A's on Wednesday open a road series against the Mariners.
Bob Melvin has set his lineup for Game 1 of the four-game set.
Oakland A's
1. Marcus Semien (R) SS
2. Stephen Vogt (L) C
3. Ryon Healy (R) 3B
4. Khris Davis (R) DH
5. Danny Valencia (R) RF
6. Brett Eibner (R) CF
7. Yonder Alonso (L) 1B
8. Jake Smolinski (R) LF
9. Chad Pinder (R) 2B
Kendall Graveman -- RHP
Seattle Mariners
1.