LeBron James and Kevin Durant are currently facing off on the court, as they each try to lead their teams victory in the 2017 NBA Finals, and though the two have never played on the same team, it seems that they are former collaborators in an entirely different capacity. According to ESPN, the NBA superstars made a never-before-released rap song together in 2011 during the lockout.

Sources told ESPN that, while Durant was visiting James for workouts in Akron, Ohio, the two decided to write and record the song between sessions. "When approached about its existence, James and Durant, to a moderate extent, confirmed that there is such a track before bursting out into laughter without further comment," ESPN's Chris Haynes writes.

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The song's whereabouts are unknown, but someone who has heard the track told ESPN that it was “a quality track” and said that the lyrics were “surprisingly well-crafted and delivered.” The song was considered to be featured in the 2012 film Thunderstruck, which starred Durant.