Rangers acquire Adam McQuaid from Bruins for Steven KampferMcQuaid is a UFA after the season9/11/2018, 2:35 PMMay 4, 2018; Boston, MA, USA; Boston Bruins defenseman Adam McQuaid (54) follows the play during the first period in game four of the second round of the 2018 Stanley Cup Playoffs against the Tampa Bay Lightning at TD Garden. Mandatory Credit: Bob DeChiara-USA TODAY Sports / Bob DeChiara