Getty Lakers forward LeBron James rallies during introductions before a game with the Cavaliers at Crypto.com Arena. A LeBron James congratulatory tweet to a Cleveland Cavaliers executive has gone viral amid the speculation surrounding his future with the Los Angeles Lakers On July 14, ESPN’s senior NBA insider Shams Charania reported that Cavaliers president Koby Altman and his front office, including general manager Mike Gansey and assistant GM Brandon Weems, received contract extensions.