Key plays by Tony Kemp and Marcus Semien gave Ramón Laureano the opportunity to make a big difference Sunday.
With Kemp amd Semien on base in the fifth inning, Laureano homered off reliever Anthony Misiewicz, helping the A’s earn a 3-1 win over the Seattle Mariners at T-Mobile Park.
Kemp worked a walk off of Mariners starter Kendall Graveman, the former Athletic, with two . . .
In his one start this season, Graveman allowed six earned run sin four innings in what became a 8-5 loss to Houston on July 27.