What team is LeBron on in 2K18?

In NBA 2K18, LeBron James was a prominent player for the Cleveland Cavaliers. The game's release aligned with the 2017-2018 NBA season, during which James was still leading the Cavaliers.

NBA 2K titles are released annually, typically in the fall, to reflect the rosters and player ratings for the upcoming NBA season. Therefore, NBA 2K18 captured the team affiliations and player statistics as they stood for the 2017-2018 NBA campaign. LeBron James had a high overall rating in NBA 2K18, reflecting his superstar status and performance during that period with the Cavaliers.

Here's a snapshot of his team during the relevant season:

This period marked one of LeBron James's successful tenures with the Cavaliers, where he consistently led the team to deep playoff runs, including an appearance in the NBA Finals during the 2017-2018 season, which is represented in NBA 2K18.