LeBron James, Nikola Jokic, Knicks headline NBA's first-half winners; Celtics, Rockets among biggest losers | CBS Sports Headlines LeBron James, Nikola Jokic, Knicks headline NBA's first-half winners; Celtics, Rockets among biggest losers Also, the Jazz and Suns love where they’re at, while the Hawks and Wolves are the biggest flops … Continue reading LeBron James, Nikola Jokic, Knicks headline NBA's first-half winners; Celtics, Rockets among biggest losers