Rubuta ci gaba ga wannan sakin layi - A matsayin wani ɓangare na tsarin sake ginawa da Senators suka yi yayin da aka kammala kakar 2010-11, Kelly ya yi ciniki zuwa Boston Bruins a ranar 15 ga Fabrairu, 2011, don zagaye na biyu na zagaye a shekarar 2011
Ottawa daga baya ya yi amfani da zaɓin don zaɓar gaba Shane Prince. Kelly da Boston Bruins sun lashe Stanley Cup, inda suka ci Vancouver Canucks.