The Cleveland Cavaliers' five-man unit of LeBron James, Kyrie Irving, Kevin Love, Timofey Mozgov and J.R. Smith has been the best in the NBA in terms of net rating at +25.9.
The lineup has played 242 minutes together since Smith and Mozgov were acquired via trade. The unit scores 118.6 points per 100 possessions while allowing just 92.7.
The Golden State Warriors' five-man unit of Stephen Curry, Klay Thompson, Andrew Bogut, Draymond Green and Harrison Barnes ranks second at +19.6.
The Cavaliers host the Warriors on Thursday.