Lucic began his junior career with the Coquitlam Express of the BCHL in 2004–05, where he was named the team’s Unsung Hero. In the same season, he made his major junior debut with the Vancouver Giants, his hometown WHL team, playing in one regular season game and two playoff games. Lucic joined the Giants full-time in 2005–06, scoring 19 points in 62 games. He added seven points in 18 playoff games to help the Giants to a WHL title and an appearance in the 2006 Memorial Cup.
In the off-season, he was selected 50th overall by the Boston Bruins in the second round of the 2006 NHL Entry Draft. Bruins management had considered taking Lucic earlier in the second round with the 37th overall pick, but chose defenceman Yuri Alexandrov instead. The Bruins' director of scouting Scott Bradley admitted he did not expect Lucic to still be available with the 50th pick, adding "We were fortunate to get him."
A year after being drafted, Lucic had a very memorable performance during the 2007 Memorial Cup with the Vancouver Giants, scoring two goals and five assists in five games, and finishing the tournament as the CHL Memorial Cup Most Valuable Player.
In 2011, Lucic because only the second Express Alumni to win a Stanley Cup, as he scored 12 points in 25 games for the Boston Bruins. He extended his contract for three more years with the Bruins.
|Drafted by Boston Bruins Round 2 #50 Overall 2006 NHL Entry Draft
|2004 - 2005
||Coquitlam Express (BCHL)
|2005 - 2007
||Vancouver Giants (WHL)
|2007 - Current
||Boston Bruins (NHL)