According to Dave McMenamin of ESPN, James is the first player in league history to compete in 20 Finals games for two different organizations.
James' teams have won the Eastern Conference seven years in a row, including each of his four years in Miami. He won two titles with the Heat and helped bring the Cavaliers their first championship last season.
The four-time MVP has also excelled at an individual level, ranking in the top five in total points scored in the NBA Finals. He passed Boston Celtics stars Bill Russell and Sam Jones as well as Elgin Baylor during Wednesday's game.
Jerry West is first on the list, competing in nine different Finals in his career, winning one.
While James Jones has also been along for the ride for the last seven Finals matchups, he only plays sparingly, usually after the game is already in hand.