Piscotty slam ties it in ninth, A's beat Giants 8-7 in 10th San Francisco Giants pitcher Johnny Cueto works against the Oakland Athletics in the first inning of a baseball game Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
San Francisco Giants Evan Longoria (10) celebrates with Wilmer Flores after hitting a home run off Oakland Athletics' Jesus Luzardo in the first inning of a baseball game Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
Oakland Athletics pitcher Jesus Luzardo works against the San Francisco Giants in the first inning of a baseball game Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
San Francisco Giants' Hunter Pence runs the bases after hitting a three run home run off Oakland Athletics' Jesus Luzardo in the third inning of a baseball game Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
Oracle Park stadium workers, including concessions servers, cooks, and VIP suite attendants represented by UNITE HERE Local 2 protest outside of Oracle Park prior to the baseball game between the Oakland Athletics and the San Francisco Giants on Friday, Aug. 14, 2020, in San Francisco. Unemployed concessions workers protested what they perceive as the team's refusal to negotiate about supporting workers during COVID-19. (AP Photo/Ben Margot)
Oakland Athletics pitcher Jesus Luzardo, center, is removed from the baseball game against the San Francisco Giants by manager Bob Melvin (6) in the fourth inning Friday, Aug. 14, 2020, in San Francisco. At left is A's catcher Sean Murphy. (AP Photo/Ben Margot)
Oakland Athletics' Stephen Piscotty (25) celebrates after hitting a grand slam off San Francisco Giants' Trevor Gott in the ninth inning of a baseball game, Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
Oakland Athletics' Stephen Piscotty, left, celebrates at the end of a baseball game against the San Francisco Giants Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)
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San Francisco Giants pitcher Johnny Cueto works against the Oakland Athletics in the first inning of a baseball game Friday, Aug. 14, 2020, in San Francisco. (AP Photo/Ben Margot)