34 players, including top 2019 draft pick John Beecher, will practice at Warrior Ice Arena in Brighton this week.
The journeyman defenseman made a worthy depth addition in his second stint as a Bruin last season.
The Bruins open the season on the road in Dallas and play their first home game against the New Jersey Devils on Oct. 12.
Center John Beecher was the Bruins' top selection at No. 30 overall.
Boston's five selections each bring a unique skillset.
The Michigan-bound forward possesses a good combination of size and speed.
The Bruins' general manager said a trade could still present itself, but otherwise the Bruins expect to pick at 30th overall Friday.
"I can’t say enough for what Charlie and Marcus did for our hockey club."
The Frank J. Selke Trophy is awarded to the NHL's top defensive forward each season.