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Oakland -120
Seattle +105

With the ace of the staff Gray on the mound Vegas facing Walker, who has never beaten the A's, the A's are definitely a favorite.   Hopefully Gray keeps up his spectacular pitching and provides some rest for the beleaguered bullpen.
Roboter (17-20) has been struggling just like the A's and required a recalibration of some stats.  With the updates installed, Roboter predicts that Gray shuts down the Mariners by a score of 3-0.