He returned in mid-January and posted one goal and three assists with 62 PIM in 15:42 of average ice time while partnered primarily with Torey Krug or Matt Grzelcyk.
McQuaid has spent the entirety of his National Hockey League career with the Bruins and was a fixture on Boston's Stanley Cup-winning team back in 2011. "He was a tremendous Bruin, a tremendous teammate". He was a member of the Bruins' Stanley Cup-winning team in 2011.
The right-handed McQuaid, 31, has played his entire nine-year career in Boston since being drafted in the second round in 2005.
General Manager Don Sweeney was effusive in his praise for the lifelong Bruin.
"It's tough to see him go", he said.
Kampfer, who turns 30 on September 24, had one assist in 22 games for the Rangers last season. In that same season, Kampfer played in 38 games, scoring five goals and 10 points.
Kampfer, 29, has played for Boston, Minnesota, Florida and NY in his 166-game National Hockey League career.
The soon-to-be-30-year-old Kampfer has essentially been a depth defenseman throughout his career, most recently with the Rangers and before that with the Panthers and Wild.
This is a return to the Bruins for the 29-year-old Kampfer, who made his National Hockey League debut with the team in 2010.