LeBron James: I'm the reason why East teams loaded up at trade deadline originally appeared on nbcsportsboston.com No one is more aware of LeBron James' impact on the NBA than LeBron James. During a trip to Boston that ended in a buzzer-beating win over the Celtics, the Los Angeles Lakers star said what most people already know about the top contenders in the Eastern Conference making a flurry of moves at the NBA trade deadline. NBA trade deadline winners, losers: Which East teams improved?