LYON, France — Here’s some bad news for Sweden’s defense ahead of its World Cup semifinal Wednesday against the Netherlands: Vivianne Miedema gets even better in the big games. After scoring in every knockout match at the European Championship two years ago, helping the Netherlands win the title, the prolific Dutch striker is vying to do the same here. Miedema’s superb glancing header in a tough round of 16 match against Italy took her tournament tally to three goals in five games — two behind Megan Rapinoe and Alex Morgan of the United States, and England’s Ellen White. Don’t bet against Miedema overtaking them; she’s a knockout-round big hitter. After not scoring in the group stage at Euro 2017, she then scored in the quarters and semis before netting twice in the final against Denmark. She, like her teammates, is under serious pressure to deliver from the demanding Dutch fans descending on Lyon. “At the Euros nobody expected a lot from us and once we started winning our country stood behind us,” Miedema said. “(Coming) here, everybody in Holland said, ‘Oh, they are going to be world champions’ and that gave us a lot of pressure.” On Wednesday, thousands upon…