If he was good enough to be in the top 10 or 20 of players not drafted, then there are certainly several teams that have some interest in signing him as a free agent. Better to have the opportunity of which team to go to than to be saddled (potentially) with being a late 2nd-round draftee of a lousy team/organization.

Once he's in camp or on a summer league team, it's all about showing what you can do. Mika is one of the hardest workers out there. I'd be surprised if he doesn't make an NBA roster or at least a spot on an NBA's D-league team.