Miller was one of 19 Bruins eligible to be taken by Vegas. Among those left exposed who will be remaining on Boston's roster are Matt Beleskey, Jimmy Hayes, Anton Khudobin, Adam McQuaid, Joe Morrow, and Tim Schaller.
"The Boston Bruins want to thank Colin for his time and contributions to our organization," Bruins general manager Don Sweeney said in a statement. "We wish Colin well as he begins an exciting new chapter."
Miller played in 61 games for the Bruins last season, notching six goals and seven assists, with an even rating and 55 penalty minutes. He added one assist in four playoffs games.
The native of Sault Ste. Marie was acquired by Boston from the Los Angeles Kings, along with Martin Jones and a 2015 first-round pick (eventually Jakub Zboril), on June 26, 2015, in exchange for Milan Lucic.
Miller made his NHL debut with the Bruins on Oct. 10, 2015, against Montreal, and scored his first career goal just over a month later, against Dallas on Nov. 3. In total, Miller registered nine goals and 20 assists in 103 games for the Black & Gold, while averaging 15 minutes, 48 seconds of ice time.
The 24-year-old, right-shot blueliner is known for his slick puck-moving ability and powerful slap shot.
