That means trade for, sign or draft at least one more All-Star quality player. But who? And when? Surely the Celtics wouldn't add another ball-dominant decision-maker, or a big with no touch outside the paint. Those types (star or not) would cramp Boston's offense and limit all the good stuff Rondo does.
What Boston needs instead is a very good player who accentuates Rondo's skill-set, and vice-versa. Are any available? Well, most aren't. The NBA has 30 teams, and not even half as many superstars. Every organization wants one.
But given Boston's cap flexibility and trove of tradable assets, almost any player in the league can be had if the timing is perfect. Here are six options, ranked on the likelihood Boston will actually grab them relative to the other players listed.