Photo by Daniela Porcelli/Eurasia Sport Images/Getty ImagesBam Adebayo had a vicious message for the newest Philadelphia 76ers star, LeBron James.LeBron James likely ended his final NBA free agency decision by announcing a two-year, $8 million commitment to the Philadelphia 76ers.Prior to choosing the Sixers, James was heavily linked to a potential return to the Miami Heat and forming a Big 3 with Giannis Antetokounmpo and Bam Adebayo.Photo by Michael Reaves/Getty ImagesBam Adebayo says he will bust LeBron James behindAdebayo will seemingly play with a chip on his shoulder after James rejected the idea of returning to South Beach.To me, you should always be happy for a person and their decision. He made a decision where he feels like its his best situation to win. And I feel like Im a good friend of LeBrons, Adebayo said, per the Miami Herald.He added, Like I told him in the message, Im going to bust his a__. So, its going to be an exciting season. Im excited for the East. We got a whole new turnaround in the East. So, its going to be exciting this year.The Heat and the 76ers will likely be among the top four teams in the Eastern Conference next season. As for Adebayo, hes ready to take on the newly formed 76ers.Adebayo seems excited to take on James, in particular, as the Heat star seems eager to make the 4x NBA champion pay for not joining forces with him this offseason.Read more:76ers legend Allen Iverson shares his true feelings on LeBron James joining the franchiseJaylen Brown approaching 2026-27 NBA season with unique attitude alongside LeBron James on the 76ersHow much LeBron James will spend traveling from New York to Philadelphia 76ers