Rodney Hood was not one of those 12 players, and that was reportedly by choice.
According to The Athletic's Jason Lloyd, Cleveland coach Tyronn Lue attempted to substitute Hood in for LeBron James with a 30-point lead with seven minutes, 38 seconds to play. However, the fourth-year player refused to enter the game, angering his teammates.
"This is the playoffs," an anonymous Cleveland player said. "We're trying to win a championship. This isn't about you."
However, Hood will not be disciplined for his actions, according to Tom Withers of the Associated Press. Joe Vardon of Cleveland.com also reported Hood met with general manager Koby Altman, where he apologized for the incident.
Hood was the only guy not to play in Game 4.
He had a rough series, going just 1-of-9 from the floor and scoring two points in 39 minutes through the first three games. The struggling guard had lost his spot in the rotation to rookie Cedi Osman, and before Monday night's game, Lue made it clear he expects more out of the 25-year-old.
"Rodney, he could be better," Lue said, per Lloyd. "He knows that."
In 10 games this postseason, he has averaged 4.6 points on 39.6 percent shooting and 13.3 percent from beyond the arc. He averaged 10.8 points on 44.2 percent shooting (35.2 percent from three) in 21 games following a midseason trade to Cleveland.
Hood was acquired to be a solid three-and-D player, but he hasn't panned out.
He picked a bad time for this. He is in the final year of his contract and is set to become a restricted free agent this summer.