Geekie is a RFA, I believe with arbitration rights. He's not the primary concern, he will eventually get signed.
The primary concerns should be anyone who is an UFA. Whoever is not signed on or before March 7th serious consideration has to go into moving that player. Bruins can not afford to let assets walk with nothing in return.
Whom and how the Bruins make moves will depend a lot on where the team is in the standing approaching March 7th.
Marchand is the primary UFA. Outside of Pastrnak, he is the only other experienced player with a higher hockey offensive IQ that also knows how to score. In many ways, regardless of his frustration and sometimes less than stellar reactions and play this season, he is still very much the heart and soul of this team.
Hopefully, the team and Marchand can come to an agreement that both sides are happy with before March 7th, because if they don't management will have a very hard choice to make. Where the team is in the standing will influence what they do with him. Unless, Marchand asks to leave, or - they have a verbal understanding in place before hand, but then the Bruins assume all risk at that point.