Kyle Harrison had a night he never will forget on Tuesday. The Brewers left-handed pitcher dominated the Giants in San Francisco’s 8-3 loss to Milwaukee at American Family Field, striking out a career-high-tying 12 batters while allowing just one earned run in 5 2/3 innings pitched against his former team. Harrison, who was sent from the Giants to the Boston Red Sox in last June’s stunning Rafael Devers trade before then being dealt to Milwaukee in a six-player trade between the Brewers and Red Sox in February 2026, reflected on facing, and dominating, his former team.“It’s always gonna feel personal, right?” Harrison told reporters postgame. “I mean, I grew up 40 minutes from that ballpark, I had a great time there and I cherish my memories with them. It feels good (to beat them), but I’ve got to do it in another five days. So you can’t get caught up in that. It was fun to toe the rubber against them, though.”Harrison, once the Giants’ top pitching prospect, showed flashes of his sky-high potential in 35 career starts across two-plus MLB seasons with San Francisco, but never put it all together at the...