The Cleveland Cavaliers dominated the Boston Celtics in Game 2 of the Eastern Conference Finals and took a 2-0 series lead.

BOSTON – The beating the Cleveland Cavaliers put on the Boston Celtics came with physical, emotional and mental pain.

Cleveland 130, Boston 86 in Game 2 of the Eastern Conference finals on Friday, and it wasn’t even as close as the score indicated.

That loss will stick with Celtics long after this series, a harsh reminder of what the Cavs have and what the Celtics don’t, and while it starts with LeBron James, the NBA’s best player, it extends to a roster of stars and talented, diverse role players.

James, who sat out the fourth quarter of the blowout, finished with 30 points, seven assists, four rebounds, four steals and three blocks as he continued what might be the best postseason of his career. In 33 minutes on the court, James, and whoever was on the court with him, outscored Boston by 45 points. It was James’ eighth consecutive playoff game with at least 30 points.

Kyrie Irving had 23 points, and Kevin Love followed up his 32-point, 12-rebound performance with 21 points and 12 rebounds.

Game 3 is Sunday in Cleveland (8:30 p.m. ET), and it will be a surprise if this series returns to Boston for a fifth game. Cleveland and Golden State – if they win their series – could enter the NBA Finals with 12-0 playoff records.

The Celtics, who played the second half without All-Star guard Isaiah Thomas (right hip strain), had a decent start, trailing 11-10. Then, if such an onslaught can be considered a run, the Cavs finished the half on a 61-21 pounding.

“He’s had a nagging hip injury,” Celtics coach Brad Stevens said of Thomas, who finished with two points in 17 minutes. “He aggravated it pretty…