In a somewhat surprising move, Heat guard Duncan Robinson on Sunday invoked the early termination clause on his contract, moving into NBA free agency.

Heat guard Duncan Robinson is declining his $20 million early termination option to become a free agent and will work with the team on a new deal, sources told ESPN.

Technically, the NBA free agency period was scheduled to open at 6 p.m. Eastern time on Monday. Technically, the NBA free agency period was scheduled to open at 6 p.m. Eastern time on Monday. In actuality, it has been rolling along.

NBA free agency is officially here. Players were legally allowed to begin negotiating with teams across the league as of Monday evening, which means there will be a flurry of activity this week. But many of the biggest names who could've been part of the free-agent pool stayed put without testing the waters.