PRAGUE --  Jacob Markstrom made 30 saves and Paul Cotter had an empty-netter and assist in their debuts with New Jersey as the Devils beat the Buffalo Sabres 4-1 on Friday in the NHL regular-season opener that was played in the capital of Czechia (widely known in English as the Czech Republic). After former NHL great Jaromir Jagr, who still plays in the Czech league, dropped a ceremonial puck, Stefan Noesen became the first scorer of the season 8:39 in to put New Jersey up. Defenseman Johnathan Kovacevic, also making his Devils debut, made it 2-0, and then Nico Hischier scored early in the second before Owen Power got the Sabres on the scoreboard midway through the third. Cotter made it 4-1. "Ultimately, the group just pulled together and wanted to compete at the high level tonight, and I think they got after it right from the start," Devils coach Sheldon Keefe said. "From the opening faceoff we were all over the net...