For the first time, the top seeds in each conference have been eliminated in the first round of the Stanley Cup playoffs.The Colorado Avalanche defeated the Calgary Flames 5-1 in Game 5 on Friday night; they advanceto the Western Conference semifinals, where they will face the winner of the series between the San Jose Sharks and Vegas Golden Knights. The Presidents' Trophy-winning Tampa Bay Lightning were swept out of the postseason by the Columbus Blue Jacketson Tuesday.Colorado received two goals Roquan Smith Jersey and an a sist each from Mikko Rantanen and Colin Wilson in Game 5.Nathan MacKinnonandTyson Barrie added three a sists each. Rantanen's emergence in the serieshelped push the Avs past a Flames team that boasted a Western Conference-best 50 wins and 107 points in the regular season.Mikko Rantanen, Colin Wilson, Nathan MacKinnon and Tyson Barrie Rodney Adams Jersey have all posted three-point nights.The have witne sed four players each record three points in a series-clinching game for the first time in franchise history. NHL Public Relations (@PR_NHL) After going goalle s for the Avs in last year's postseason, Rantanen tallied five goals in five games vs. the Flames. The Finnish winger will have the opportunity in the next round to surpa s the franchise record for consecutivemulti-point games in the postseason.Mikko Rantanen extended his multi-point streak to four contests, one shy of the / Nordiques Cole Kmet Jersey franchise mark, set by Peter Stastny in 1982 and matched by Peter Forsberg on three occasions. NHL Public Relations (@PR_NHL) The Flames will return to Calgary wondering how a promising start to the playoffs led to four consecutive lo ses and an early exit. After tallying four goals in a Game 1 shutout victory, they notched just seven goals in the next four games.Calgary was particularly hampered by a disappointing series from Johnny Gaudreau. The 25-year-old winger scored a career-high 36 goals in the regular season but failed to record a point in the series. On Friday, he had several prime opportunities to help the Red Grange Jersey Flames but could not get the job done.In the first period alone, Gaudreau had three breakaway chances, one of which resulted in a penalty shot, but could not beat Avs goaltender Phillip Grubauer.Johnny Gaudreau can't get it past Philipp Grubauer on the penalty shot Sportsnet 960 (@Sportsnet960) In the second period, Gaudreau appeared to score his first goal of the series, only to have it waved off after teammate Sam Bennett was ruled to have interfered with Grubauer.Johnny Gaudreau's goal is waived off due to incidental goalie contact Sportsnet 960 (@Sportsnet960) Halfway through the game, he scored a goal which was waved off and had two breakaways," ."One resulted in a penalty shot, which was the right call, I would think. He tried,Im telling you, he tried."The effort was Breshad Perriman Jersey not enough to prevent the Avalanche from advancing past the postseason's first round for the first time since 2008.