Finland dominated the second stage of the cross country Tour de Ski on Sunday in Toblach, Italy, with wins from Kerttu Niskanen and Perttu Hyvarinen. Olympic medallist Niskanen won the women’s 10-kilometre classic, while Jessie Diggins took the yellow jersey after finishing third. In the men’s race, Finland were also took the highest place on the podium with Perttu Hyvarinen, who claimed his first-ever World Cup win. Niskanen, who at Olympic Games has won three silver medals and one bronze, finished the race in 25 minutes 48.0 seconds, 6.7 seconds ahead of Germany’s Victoria Carl. US star Digg…