The power showcase included a 450-foot shot that was the longest of Conforto's career, and a more modest 360-foot blast that made it a four-run game in the seventh. In eight contests since the All-Star break, Conforto is batting .323 with four home runs, two doubles and nine RBIs.
The longer of Friday's two homers came off Oakland rookie Paul Blackburn, who gave up four runs over 5 1/3 innings in his fourth career outing. It was the first in which Blackburn did not give the A's a quality start.
Blackburn took the loss while Mets starter Steven Matz, who was lifted for a pinch-hitter after just five innings and 83 pitches, received a no-decision.