From group chats to high-level X's and O's breakdowns, the two superstars have pushed themselves -- and each other -- to the top of the basketball universe.

It's the Pacers vs the Thunder in Game 4 of the NBA Finals. Follow along for live updates from Gainbridge Fieldhouse.

After defeating the Oklahoma City Thunder, 116-107, on Wednesday to take a 2-1 lead in the NBA Finals, the Indiana Pacers, who started the season as a 66-1 title long shot and started the playoffs at 80-1,

The Thunder had a come-from-behind win to beat Denver in Game 4, then won the series in seven. Can they repeat that feat?

Jay-Z bet $1 million on OKC to win in exactly five games. With the Pacers up 2-1 in the series, the bet is now one of his 99 problems.