Rating flurry of NBA roster moves by Heat, Rockets, Lakers and more

Steve Mitchell-USA TODAY Sports

Note: This column has been updated to include the news of Dion Waiters' surgery.

Players who were on their teams' rosters as of Sunday afternoon will see their contracts become guaranteed for the remainder of the season. That deadline, as well as teams' ability to begin signing 10-day contracts and the looming deadline for teams to sign players to two-way contracts (last possible on Jan. 15), meant a flurry of action over the weekend.

Let's break down the moves and what they mean going forward.