World Juniors primer: A team-by-team guide to the 2019 under-20 championship Unknown 01:44 Can Canada repeat as gold medalists in Vancouver or will a crowded field, headlined by the USA's Jack Hughes and the Czech Republic's Filip Zadina, complete an upset bid at the 2019 World Junior Championship? Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsConcerns about SoCal ties to NFC title game officials raised, report saysSuper Bowl 53: Tom Brady leads Patriots fans in 'We're still here!' chantSaints' Cam Jordan's T-shirt message at Pro Bowl: 'Blow whistles, not games'Alex Smith injury update: Redskins planning for QB to miss entire 2019 season, report saysWhy Lakers' dream of Anthony Davis trade could be quickly disappearingMookie Betts among players who won't visit the White House with Red Sox