When Jayson Tatum ruptured his right Achilles tendon in the Celtics’ conference semifinals loss the the New York Knicks, everything about Boston’s immediate future changed.

The NBA had already convened a panel of experts to study Achilles tendon injuries even before Indiana star Tyrese Haliburton ruptured his in Game 7 of the NBA Finals, Commissioner Adam Silver said Wednesday night.

Kristaps Porzingis is being traded by the Boston Celtics to the Atlanta Hawks, and part of what will be a three-team deal gives the Brooklyn Nets another selection in Wednesday’s first round of the NBA draft, according to a person with knowledge of the agreement.

A person with knowledge of the details says Jrue Holiday is being traded by Boston to Portland, a year after helping the Celtics win the NBA championship.

Kevin Durant has been traded to Houston.

The promise came three years ago from Oklahoma City general manager Sam Presti.

The New York Knicks went further than they’d gone in 25 years, just not as far as they hoped.

Oklahoma City’s Shai Gilgeous-Alexander, Denver’s Nikola Jokic and Milwaukee’s Giannis Antetokounmpo were the only players to appear on every MVP ballot this season.

There will be a new NBA champion.

The Boston Celtics entered this season with hopes of ending the NBA’s six-season drought without a repeat champion.

The New York Knicks nearly ended their lengthy Eastern Conference finals drought last year, only to lose on their home floor to the Indiana Pacers in Game 7 of the second round.

Celtics star Jayson Tatum won’t be far from Madison Square Garden when Boston faces a must-win situation against the New York Knicks on Friday night as the defending champions attempt to force a deciding Game 7.

The Minnesota Timberwolves are in the Western Conference finals for the second straight year.

Derrick White had 34 points, including seven 3-pointers, to lead the Boston Celtics to a 127-102 Game 5 win over the New York Knicks on Wednesday night that kept them alive in the Eastern Conference semifinals.

The Boston Celtics say star Jayson Tatum had surgery to repair a ruptured right Achilles tendon that will sideline him for the remainder of the playoffs.

These are the NBA playoffs of survival, where not even the stars are safe.

In the final minutes of Monday night’s Eastern Conference Semifinals Game 4 between the Boston Celtics and the New York Knicks, the Celtics suffered a series blow that extends far beyond the game or even the series.

Jalen Brunson had 39 points and 12 assists, and the New York Knicks moved a win away from their first Eastern Conference finals appearance in 25 years and pushed the defending champion Boston Celtics to the brink of elimination with a 121-113 victory Monday night in Game 4.

Jayson Tatum was carried off the court with a lower right leg injury with 2:58 remaining in Game 4 of the Eastern Conference semifinals on Monday night.

Jayson Tatum had 22 points, nine rebounds and seven assists, Payton Pritchard scored 23 points and the Boston Celtics easily got their first win in the Eastern Conference semifinals by routing the New York Knicks 115-93 on Saturday in Game 3.

In more trouble than they faced at any time last year, the Boston Celtics take a 2-0 deficit into Game 3 against the New York Knicks.

New York down by 20 on Monday.

A fire alarm was triggered at TD Garden in the aftermath of the New York Knicks’ 91-90 playoff victory over the Boston Celtics on Wednesday night, causing a brief evacuation.

Mikal Bridges scored all of his 14 points in the fourth quarter before making his second straight game-clinching steal, and the New York Knicks overcame a 20-point deficit again to beat the Boston Celtics 91-90 on Wednesday night for a 2-0 lead in the Eastern Conference semifinals.

Jalen Brunson and OG Anunoby each scored 29 points before Mikal Bridges stole the ball from Jaylen Brown with a second left in overtime, and the New York Knicks stunned the Boston Celtics 108-105 in Game 1 of their Eastern Conference semifinals series on Monday night.

Defending champion Boston vs.

Boston Celtics coach Joe Mazzulla says guard Jrue Holiday remains day-to-day with a strained hamstring.

Jayson Tatum had 35 points, 10 assists and eight rebounds, and the Boston Celtics pulled away after Magic star Paolo Banchero went to the bench with five fouls, beating Orlando 120-89 in Game 5 of their first-round playoff series to advance to the Eastern Conference semifinals.

The Boston Celtics, New York Knicks and Indiana Pacers are all on the verge of a second round that appears to be taking shape quickly in the Eastern Conference.

The Minnesota Timberwolves have better size, depth, defense and chemistry than the Los Angeles Lakers and lead the first-round series 2-1.

Franz Wagner scored 32 points, Paolo Banchero added 29 and the Orlando Magic beat Boston 95-93 on Friday night to cut the Celtics’ lead to 2-1 in the Eastern Conference first-round series.

Even with Jayson Tatum in the starting lineup, the Boston Celtics still couldn’t find a way to win in Orlando.

Jayson Tatum remains listed as doubtful for the Boston Celtics, meaning the reigning NBA champions do not expect him to play Friday when they visit the Orlando Magic in Game 3 of an Eastern Conference first-round series.

The Orlando Magic have been here before.

Jaylen Brown had 36 points and 10 rebounds, Kristaps Porzingis returned to the game after getting a bloody gash to the forehead and finished with 20 points, and the Boston Celtics beat the Orlando Magic 109-100 in Game 2 of their first-round playoff series.

Celtics star Jayson Tatum has missed a playoff game for the first time in his career.

Cleveland’s Donovan Mitchell, Golden State’s Stephen Curry and Boston’s Jayson Tatum have been the driving forces for their teams throughout the season.

Celtics forward Jayson Tatum has been listed as doubtful with a bone bruise in his right wrist for Game 2 of Boston’s Eastern Conference first-round series against the Orlando Magic.

Derrick White scored 30 points, Jayson Tatum had 17 points and finished the game after a scary late fall, and the Boston Celtics rallied in the second half to beat the Orlando Magic 103-86 in Game 1 of their first-round playoff series.

Sacramento’s Domantas Sabonis is about to join a pretty special group of rebounders.

The Boston Celtics broke the NBA record for 3-pointers in a season Friday night against the Phoenix Suns.

Tyler Herro had 25 points and nine assists and the Miami Heat extended their season-best winning streak to six games with a 124-103 victory over the Boston Celtics.

Jayson Tatum had 25 points and 14 rebounds, Al Horford scored 26 points and the Boston Celtics swept a six-game road trip for the first time in franchise history with a 117-103 win over the Memphis Grizzlies.

Sam Hauser started in place of Jayson Tatum and did what he and the Boston Celtics have done all season — shoot a bunch of 3-pointers and make more than their share.

Jayson Tatum had 40 points, 12 rebounds, and eight assists, and the Boston Celtics held off a late rally to beat the Los Angeles Lakers 111-101.

Payton Pritchard and Derrick White have made NBA history.

With Celtics fans in a frenzy throughout TD Garden after the Boston Celtics blitzed to a 25-3 lead over the Cavaliers in the final matchup of Eastern Conference frontrunners, Cleveland star Donovan Mitchell didn’t panic.

Donovan Mitchell had 41 points, including 12 in the fourth quarter, to help the Cleveland Cavaliers rally from 22 points down and stun the Boston Celtics 123-116 in the final regular-season meeting of the Eastern Conference’s top two teams.

The NBA is on the cusp of accomplishing something that it hasn’t seen before.

Former NBA player Michael Carter-Williams is hoping to get a WNBA franchise in Boston whether it’s through expansion or bringing in a current team that wants to move.

The verdicts were mixed, as would be expected.

This will be an actual All-Star matchup.

There was a conversation that Los Angeles Lakers star LeBron James had with Nikola Jokic and Luka Doncic during last year’s All-Star Game that went viral, since microphones picked up the exchange.

LeBron James got drafted No. 1 again.

Jayson Tatum scored 22 points, Derrick White added 20 and the Boston Celtics showed their championship makeup down the stretch with a 112-105 win over the Cleveland Cavaliers in a matchup of the Eastern Conference’s top teams.

Jayson Tatum scored 13 of his 35 points in the fourth quarter and the Boston Celtics rallied from a 26-point deficit to beat the Philadelphia 76ers 118-110.

The NBA All-Stars have been selected.

Amen Thompson hit a game-winning floater with 0.7 seconds left and finished with 33 points to lead the Houston Rockets to a 114-112 victory over the Boston Celtics.

LeBron James is extending his All-Star records.

The NBA is still exploring ways to expand its role in European basketball.

Jayson Tatum scored 22 points, Kristaps Porzingis had 18 and the Boston Celtics handed the Golden State Warriors their most lopsided home loss in 40 years with a 125-85 victory.

Duke freshman Cooper Flagg won’t be making it all the way up to Maine, so his fans trekked to Chestnut Hill on Saturday night to see the likely No. 1 overall draft pick play Boston College in his only game in New England this season.

Three-time NBA MVP Nikola Jokic was sidelined for Denver’s clash with Jayson Tatum and the Boston Celtics on Tuesday night because of an illness.

Milwaukee’s Giannis Antetokounmpo is the early leader in fan balloting for the NBA All-Star Game, and LeBron James of the Los Angeles Lakers seems well on his way toward extending his record and getting picked for a 21st time.

Joel Embiid popped up from a pregame fall and scored 27 points with nine rebounds to lead the Philadelphia 76ers to a 118-114 victory over the Boston Celtics.

Joe Mazzulla’s Christmas greetings were costly.

Thursday had a little of everything in the NBA.

Thursday had a little of everything in the NBA.

Jaylen Brown had 28 points with nine assists and Kristaps Porzingis added 26 points and nine rebounds to lead the Boston Celtics to their ninth victory in 10 games, a 130-120 victory over the Detroit Pistons on Wednesday night.

Donovan Mitchell scored 20 of his 35 points in the fourth quarter as the Cleveland Cavaliers ended Boston’s seven-game winning streak with a 115-111 victory over the Celtics in the second intense matchup between the Eastern Conference’s top teams this season.

The NBA fined the Atlanta Hawks $100,000 after an investigation determined that guard Trae Young could have played in an NBA Cup game against the Boston Celtics on Nov. 12.

The defending NBA champions held off the league’s hottest team, with Jayson Tatum scoring 33 points and adding 12 rebounds to lead the Boston Celtics to a 120-117 victory over Cleveland and hand the Cavaliers their first loss after 15 straight wins to open the season.

The Boston Celtics stayed cool while Charlotte Hornets lost theirs.

The Boston Celtics tied the NBA record by making 29 3-pointers in their victory over the New York Knicks.

Jayson Tatum continued Boston’s Banner 18 celebration by scoring 37 points and making eight of the Celtics’ NBA record-tying 29 3-pointers as Boston ran away with a 132-109 victory over the New York Knicks on opening night.

The Boston Celtics have raised Banner 18 to the rafters.

The NBA returned to the Persian Gulf on Friday for the third consecutive year.

Grant Hill will be back for another stint as managing director of the U.S. senior men's national basketball team.

Halfway to its goal of gold, the U.S. has the No. 1 seed going into the medal round at the Paris Olympics.

The U.S. men’s basketball team overflowed with highlights in its opening game, blowout win over Serbia.

LeBron James made his Olympic return after a 12-year absence.

Most countries will have two athletes hoisting a large flag in the boats along the Seine River for the Paris Olympics opening ceremony.

Kevin Durant is dealing with calf soreness that has kept him from being a full participant in USA Basketball’s training camp for the Paris Olympics, though he has assured team officials that he does not expect the issue to be a major one.

Jayson Tatum has agreed to a five-year, $314 million contract extension to remain with the Boston Celtics, a person with knowledge of the situation told The Associated Press.

The ownership group that controls the NBA champion Boston Celtics says it intends to sell all its shares of the team.

It took more than a decade, savvy front office and draft moves, and some free agency growing pains for the Celtics to ultimately build the roster that ended their 16-year championship drought.

In the NBA, it’s already next season.

In 2008, the Celtics ended a 22-year championship drought led by a Big 3.

Jayson Tatum had 31 points, 11 assists and eight rebounds as the Celtics topped the Dallas Mavericks 106-88 to claim the franchise’s 18th championship, breaking a tie with the Los Angeles Lakers for the most in league history.

Boston Celtics star Jayson Tatum spent part of his Father’s Day thinking about how his son made him a better person — and probably a better basketball player, too.

Jayson Tatum scored 31 points and the Boston Celtics held off a furious Dallas rally to reach the brink of a record 18th championship with a 106-99 victory over the Mavericks for a 3-0 lead in the NBA Finals.

There have been two versions of Jayson Tatum so far in the NBA Finals.

The Boston Celtics had the NBA Finals in mind when they went out and acquired Jrue Holiday.

Jrue Holiday had 26 points and 11 rebounds, and Jayson Tatum made up for a rough shooting night with 12 assists and nine rebounds as the Boston Celtics beat the Dallas Mavericks 105-98 on Sunday night to take a 2-0 lead in the NBA Finals.

Jason Kidd couldn’t figure out how to stop the Boston Celtics in Game 1 of the NBA Finals.

When the Boston Celtics make a ton of 3-pointers, forget it.

The Dallas Mavericks and Boston Celtics prepare to tip off the NBA Finals and the four biggest names in the series are looking at this moment through different lenses.

Joe Mazzulla was thrust into a job he didn’t expect to have following former Celtics coach Ime Udoka’s suspension just days before the start of training camp last season.

Kyrie Irving returning to Boston.

The Boston Celtics completed one quest Monday night by making it back to the NBA Finals.