CLEVELAND — Kyrie Irving gritted his teeth, tightened up his left sneaker and hopped to his feet.
The pain couldn’t stop him. The Celtics couldn’t either.
Irving took over in the second half and finished with 42 points despite playing on a tender ankle, LeBron James added 34 and the Cleveland Cavaliers moved within one win of an almost inevitable third date in the NBA Finals with Golden State by rallying to beat Boston 112-99 on Tuesday night in Game 4 of the Eastern Conference finals.
With James in foul trouble, Irving was forced to do more than ever and he delivered, scoring 19 in less than five minutes and 33 in a 19-minute stretch.
“The kid is special,” James said. “I was happy to sit back and watch him. He was born for these moments.”
The defending NBA champions, who shot 71 percent in the second half, opened a 3-1 lead in the series and can wrap up their third straight conference title — and a “three-match” against the Warriors — with a win in Game 5 on Thursday night in Boston.
But if Games 3 and 4 are any indication, it won’t be easy.
Fighting to keep their season alive, the Celtics aren’t giving an inch despite playing without All-Star guard Isaiah Thomas, who may need surgery on a hip injury.
The Cavs, meanwhile, wouldn’t be on the cusp of the Finals without Irving.
With Cleveland in jeopardy of dropping its second game in a row after James followed an 11-point Game 3 debacle by picking up four first-half fouls, Irving put on a breathtaking one-man show.
Freezing Boston defenders with his dribble and driving to the basket whenever he wanted, Irving made six layups, two 3-pointers and a free throw in a dizzying span of 4:48. He capped his blistering 19-point outburst with a 3 in the final second of the quarter and celebrated at mid-court by pretending to put two pistols back in his holster.
“He saw Bron went out and he wanted to put the team on his shoulders,” Cavs coach Tyronn Lue said. “He did that.”
Irving said he was driven by the thought of the Cavs seeing their series lead vanish.
“In the back of my mind, I thought, `They can’t tie up the series,” he said. “We can’t go back to Boston tied 2-2. We needed everything tonight.”
Irving put a scare into the Cavs and their fans when he stepped on Terry Rozier’s foot and rolled his ankle. He stayed on the floor for a few moments before sitting up and re-tying his sneaker. Nothing was keeping him out.
“It was one of those games we had to fight through and we had to earn it,” he said.
Celtics coach Brad Stevens was disappointed with his team’s defense on Irving, who was able to spread the floor while surrounded by shooters.
“There’s choices,” Stevens said. “I’m not sure there are good choices. When he gets going like that, he’s tough to stop. The ones we gotta look at are the ones he got at the rim.”
Kevin Love added 17 points and 17 rebounds for the Cavs, now 11-1 in the postseason.
Avery Bradley scored 19 and Jae Crowder 18 for Boston.
ANKLE GRAB
Irving did not show any noticeable limp following the game as he walked down the hallway, stopping to hug and kiss friends and family following his performance.
Irving, who has had a history of injuries, said he’s rolled his ankle enough times to know when it’s serious.
“My adrenaline is still going,” he said. “I’m pretty sure I’ll be sore when I get home.”
BOSTON BOUND
Crowder and the Celtics are looking forward to going home and redeeming themselves after the blowout losses in Games 1 and 2.
“I feel like we’re humble enough to know we haven’t played well at home,” he said. “We want to give our home crowd a better outing than we put out the past two games.”
FOUL TROUBLE
Lue paused for several seconds before responding to a question about the third and fourth fouls called on James, who was whistled for barely touching Marcus Smart on a jumper and then was called for a charge.
“They called them,” he said of the officials. “We had to do what we had to do.”
TIP-INS
Celtics: Thomas spoke to coach Brad Stevens and told him that he has visited one hip specialist and plans to see more before it’s decided if he needs surgery. Thomas initially injured his hip in March and played the final two months of the regular season before aggravating it during the playoffs. … Stevens started Kelly Olynyk, who had 15 points. … Before the playoffs began, the Celtics were 22-5 at home since Jan. 1. They’re 5-4 in the postseason so far.
Cavaliers: The 42 points were a career playoff-high for Irving, who scored 41 in Game 5 of last year’s Finals. … Cleveland improved to 35-5 against Eastern teams in the playoffs since 2015. … J.R. Smith and his wife, Jewel, brought their daughter home after more than five months in the hospital following her premature birth. Smith posted photos on his Instagram account of the couple leaving Hillcrest Hospital with their baby in a stroller. “We Walked In Together We Walked Out Together!!” Smith wrote. … Deron Williams played 18 minutes after sustaining a shoulder “stinger” in Game 3.
UP NEXT
The Celtics lost Game 2 at home by 44 and the first two games of the series by a combined 57.
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