Khris Davis, who exited Saturday's game early with forearm tightness and was out Sunday, returns to the A's Monday vs. the Mariners.
Davis leads the A's with 12 home runs.
Oakland A's (19-26)
1. Coco Crisp (S) LF
2. Billy Burns (S) CF
3. Stephen Vogt (L) C
4. Danny Valencia (R) 3B
5. Khris Davis (R) DH
6. Yonder Alonso (L) 1B
7. Marcus Semien (R) SS
8. Chris Coghlan (L) 2B
9. Jake Smolinski (R) RF
Rich Hill -- LHP
Seattle Mariners (26-17)
1. Leonys Martin (L) CF
2. Franklin Gutierrez (R) RF
3. Robinson Cano (L) 2B
4. Nelson Cruz (R) DH
5. Dae-Ho Lee (R) 1B
6. Kyle Seager (L) 3B
7. Chris Iannetta (R) C
8. Nori Aoki (L) LF
9. Chris Taylor (R) SS
Taijuan Walker -- RHP