Maroon is a free agent this year, and during his exit interview with the Boston Bruins he expressed interest in coming back next year as he felt he wasn't really able to show them what he's capable of doing.
Lucic was given a one-year $1 million deal, before getting himself in trouble and going on an indefinite leave from the Boston Bruins, and it's rumoured the Bruins would off Maroon something similar.