On June 25, 2013, the Denver Nuggets named Brian Shaw the head coach for the 2013–14 season.
On June 25, 2013, the NBA approved a trade of an unprotected 2015 NBA first round draft pick, which included an anti-trade clause prohibiting the Clippers and Celtics from engaging in future transactions between each other, including the exchanging of players for the duration of the 2013–14 season, for the release of the contract of Doc Rivers from the Boston Celtics, freeing him up to sign with the Los Angeles Clippers.
On June 27, 2013, the Memphis Grizzlies named David Joerger the head coach for the 2013–14 season.
On July 3, 2013, the Boston Celtics named Brad Stevens the head coach for the 2013–14 season.
On August 14, 2013, the Philadelphia 76ers named Brett Brown the head coach for the 2013–14 season.
In-season
On February 9, 2014, the Detroit Pistons fired Maurice Cheeks of his head coaching duties and replaced him with John Loyer on an interim basis for the remainder of the season.
Preseason
The Preseason began on Saturday, October 5, 2013, and ended on Friday, October 25, 2013. Earlier in March 2013, Commissioner David J. Stern announced that the NBA would be playing its first preseason game in the Philippines on October 10, 2013, at the Mall of Asia Arena in Manila featuring the Houston Rockets versus the Indiana Pacers. The arena was also the venue of the 2013 FIBA Asia Championship.
Regular season
The regular season began on Tuesday, October 29, 2013, with the Indiana Pacers hosting a game against the Orlando Magic. The regular season ended on Wednesday, April 16, 2014. The season featured the unveiling of national television games such as on Christmas Day along with Chicago Bulls at Brooklyn Nets, Oklahoma City Thunder at New York Knicks, Miami Heat at Los Angeles Lakers, Houston Rockets at San Antonio Spurs and Los Angeles Clippers at Golden State Warriors, along with other highly anticipated games.
The Charlotte Bobcats officially announced that the franchise would be renamed to the Charlotte Hornets for the 2014–15 season. This will return the Hornets name to Charlotte for the first time since the team now known as the Pelicans moved from Charlotte to New Orleans after the 2001–02 season.
The Cleveland Cavaliers win the #1 pick in the NBA draft for the second time in three years, as well as the fifth time in franchise history, and selected Canadian forwardAnthony Bennett of UNLV.
The NBA officially implements a tournament system in both of their Summer League systems; the Oklahoma City Thunder and Golden State Warriors were the inaugural champions of the Orlando and Las Vegas Summer League Tournaments, beating out the Houston Rockets and Phoenix Suns respectively.
The Portland Trail Blazers officially announced that the Rose Garden would be renamed to the Moda Center before the start of the season.
The NBA Finals will return to the 2–2–1–1–1 format for the 2014 Finals, with the owners approving the format on October 23. The NBA originally decided to have the NBA Finals enter a 2–3–2 format starting in the 1985 NBA Finals in order to accommodate commercial travelling from the east to the west and vice versa, as well as bring up economic advantages for marketing and newspapers at the time.
On October 29, the regular season opened with a record of 92 international players on the opening night rosters. The San Antonio Spurs set an NBA record of 10 international players.
The Brooklyn Nets start out their season with Joe Prunty coaching their games against the Cleveland Cavaliers and Miami Heat instead of their original head coach Jason Kidd. The reason why Prunty was coaching at the start of the Nets' season instead of Kidd was due to Kidd serving a coaching suspension for having a DUI in July 2013. Prunty would start the year off with 1–1 for the Nets before Kidd came back and coached the team for the rest of the season.
Patrick Ewing coaches his first game ever as an interim head coach for the Charlotte Bobcats. He ended up coaching the Bobcats on November 8, 2013, against his former team, the New York Knicks, due to their coach Steve Clifford having heart surgery around that time period. He would end up losing that game 101–91.
In a double overtime game on December 3, 2013, rookies Victor Oladipo of the Orlando Magic and Michael Carter-Williams of the Philadelphia 76ers recorded triple-doubles in the same game. Oladipo recorded 26 points, 10 rebounds and 10 assists in 52 minutes, while Carter-Williams recorded 27 points, 12 rebounds and 10 assists in 47 minutes. These were the first career triple-doubles for both players. This marked the first and only time in NBA history that two rookies have recorded triple-doubles in the same game. The last time that two players had recorded their first career triple-doubles in the same game was when Detroit Pistons Donnie Butcher and Ray Scott did it on March 14, 1964. It was also the first time that two opponents had recorded triple-doubles in the same game since Caron Butler and Baron Davis had done so on November 23, 2007. Philadelphia won the game 126–125.
The planned regular season game in Mexico City between the San Antonio Spurs and Minnesota Timberwolves on December 4 was postponed after a generator malfunction inside the Mexico City Arena. The rescheduled game was played on April 8, 2014, at Target Center in Minneapolis.
On December 6, 2013, Kyle Korver of the Atlanta Hawks set a new NBA record for most consecutive games with a three-point field goal made with 90. The previous record holder was Dana Barros. The streak ended at 127.
On December 11, 2013, Antawn Jamison of the Los Angeles Clippers became the 39th player in NBA history to reach 20,000 career points.
On December 13, 2013, Kevin Garnett of the Brooklyn Nets surpassed 14,000 career rebounds, becoming only the tenth player in NBA history to do so. In reaching the milestone, Garnett also joined Kareem Abdul-Jabbar and Karl Malone as the only players to reach 25,000 points, 14,000 rebounds and 5,000 assists. He reached the milestone in the third quarter of a 99–103 road loss to the Detroit Pistons.
On December 16, 2013, Joe Johnson of the Brooklyn Nets scored 29 points in the third quarter of a 130–94 win over the Philadelphia 76ers. In the quarter Johnson made 10 of 13 shots from the field and tied an NBA record with 8 of 10 three-pointers.
On December 23, 2013, Dirk Nowitzki of the Dallas Mavericks passed Alex English for 13th place on the NBA's all-time scoring list with a 13-foot jumper in the opening minute of the third quarter of a 111–104 road win over the Houston Rockets.
On December 25, 2013, Russell Westbrook of the Oklahoma City Thunder recorded the eighth triple-double on Christmas Day in NBA history. He recorded 14 points, 13 rebounds and 10 assists in 29 minutes in a 123–94 road victory over the New York Knicks. The win was also the largest margin of victory in a Christmas Day game in NBA history.
On December 27, 2013, LeBron James of the Miami Heat passed Larry Bird and Gary Payton for 29th on the NBA's all-time scoring list. James did so in a 108–103 loss versus the Sacramento Kings.
On January 16, 2014, the Houston Rockets scored a season-high 73 points in the first half, and a season-low 19 points in the second half. That 54-point disparity is the largest by a team in a game in NBA history. They ended up losing to the Oklahoma City Thunder 104–92.
On January 24, 2014, Carmelo Anthony of the New York Knicks scored a career, franchise, and league season-high 62 points against the Charlotte Bobcats.
On January 25, 2014, sophomore Terrence Ross of the Toronto Raptors scored a career-high 51 points against the Los Angeles Clippers. His 51 points tied a franchise-high. Ross recorded the lowest season scoring average the year of a 50-point game, averaging only 10.9 points.
On January 31, 2014, the Brooklyn Nets recorded an all-time low of 17 rebounds in a 125–90 blowout loss to the Oklahoma City Thunder. This broke a record low of 18 rebounds that was originally recorded by the Detroit Pistons in a November 28, 2001 game against the Charlotte Hornets.
David Stern officially retires as commissioner of the NBA on February 1, 2014. Adam Silver would end up taking his place as commissioner in the process, with Mark Tatum taking on the role of deputy commissioner in the process.
The New Orleans Arena that the New Orleans Pelicans played under was re-branded as the Smoothie King Center on February 5, 2014. Therefore, while some of the earlier games played in New Orleans were under the New Orleans Arena name, further home Pelicans games, as well as the All-Star break that happened from February 14–16, 2014, will end up being mentioned as the Smoothie King Center from now until at least 10 more NBA seasons.
On March 3, LeBron James scored a career-high 61 points against the Charlotte Bobcats. His 61 points was also a franchise-high.
On March 4, Russell Westbrook recorded the fastest triple-double since 1955. He recorded 13 points, 14 assists and 10 rebounds while playing only 20 minutes and 17 seconds against the Philadelphia 76ers.
On March 16, 2014, with a 122–104 victory over the Utah Jazz, the San Antonio Spurs notched their 50th win of the season and extended their 50+ wins in a season streak to 15 seasons.
The New York Knicks would assign former player and Chicago Bulls and Los Angeles Lakers coach Phil Jackson as the team's newest President of Basketball Operations on March 18, 2014.
On March 27, The Philadelphia 76ers tied a league record of 26 consecutive losses. This mark is currently tied with the 2010–11 Cleveland Cavaliers.
On April 11, 2014, Corey Brewer of the Minnesota Timberwolves scored a franchise record-tying and career-high 51 points against the Houston Rockets. He also joined Allen Iverson, Michael Jordan & Rick Barry as only players with 50 points & 6 steals in a game.
The San Antonio Spurs won their franchise-record 18 straight win against the Indiana Pacers. The Spurs also finished March with a 16–0 record, the second time in franchise history where they have a perfect month going back from the 1995–96 NBA season of the same month.
The Boston Celtics and the Los Angeles Lakers failed to qualify for the playoffs. This marked the first time in 20 seasons that both teams missed the playoffs. For the Lakers, it marked the first time in nine seasons that they missed the playoffs. With the New York Knicks also missing the playoffs, this marked the first time in NBA history that none of the three teams qualified for the playoffs.
On April 25, 2014, TMZ leaked an audio recording of Los Angeles Clippers owner Donald Sterling allegedly making racist comments to his girlfriend. The NBA has launched an investigation. The team held a meeting the following day to discuss the incident. Both coaches and players reportedly expressed anger toward the comment and they briefly raised the possibility of boycotting Game 4 of their series against the Golden State Warriors before deciding against it. On April 29, 2014, Commissioner Adam Silver banned Sterling for life as well as fining him $2.5 million. Silver also began proceeding of forcing Sterling out of the league.
On April 29, 2014, the Memphis Grizzlies and Oklahoma City Thunder played in their fourth straight overtime game, the first time in NBA playoff history that there have been four straight overtime games.