Beneath blue skies and the beating sun, the temperature gauge at Oracle Park read 80 degrees at first pitch Saturday afternoon, the balmiest conditions for a baseball game on the shores of McCovey Cove in more than four years. Carson Seymour, awarded the opportunity to make his first major league start, found himself in hot water for entirely different reasons. The Orioles punished him for a pair of home runs and continued to pile on, sending the Giants to an 11-1 loss. “I felt like my stuff was pretty good today,” Seymour said.