Four games is a very small sample size to draw such a bold conclusion, but it is becoming more comfortable to watch a Rondo-less squad with each passing game on the Celtics' schedule.
The last time Boston's All-Star guard played, the team hit a low point in its season and blew a 27-point lead against the Atlanta Hawks. That loss also completed a six-game losing streak for the Celtics, whose record fell to 20-23.
The Celtics were not going to contend for the NBA title with Rondo, and they will probably not be in contention without him, either. However, their current surge is giving Celtic fans plenty of optimism and is certainly giving Celtics GM Danny Ainge plenty to think about as the NBA trade deadline approaches.
Here are five key areas where the Celtics have thrived since Rondo's absence and will need to excel in as the final third of the regular season approaches.