Morrisonn spent the last five seasons with the Washington Capitals where he was consistently among Washington's leaders in hits and blocked shots throughout his career, including 163 hits and 104 blocks last season. In 418 career games with Washington and Boston, Morrisonn has 70 points (10 goals, 60 assists), 423 PIMs and is a plus-36.
Morrisonn was originally drafted in the first round (No. 19th) by Boston in the 2001 Entry Draft. He was traded to Washington in March 2004 in the deal that sent Sergei Gonchar to the Bruins. Morrisonn played his junior hockey with the WHL's Kamloops Blazers.