He was named NBA Rookie of the Year in 2014, and he has also played for the Milwaukee Bucks, Chicago Bulls, Charlotte Hornets, Houston Rockets, and Orlando Magic.

After his sophomore season in high school, Carter-Williams committed to attend Syracuse where he played on their basketball team.

[4] Sources: Carter-Williams had a subdued freshman season at Syracuse in 2011–12 as he played behind Scoop Jardine, Brandon Triche and Dion Waiters.

[6] During the 2012 offseason, Carter-Williams worked on his game, from lifting weights daily and drinking protein shakes to try to get stronger, to doing shooting drills every morning and improving his nutrition.

His hard work over the offseason translated into Carter-Williams' emergence as a breakout star for Syracuse and one of the best point guards in the nation during the 2012–13 season.

[17] 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 (they were not rookies).

He led all rookies in scoring (17.2 ppg), assists (7.3 apg), steals (2.92 spg) and minutes (36.2 mpg) over this stretch.

During January he led all rookies in scoring (16.5 ppg), and ranked second in rebounding (5.6 rpg), assists (5.6 apg) and minutes (33.3 mpg).

[21] On March 10, 2014, Carter-Williams recorded his second career triple-double with 23 points, 10 assists, and 13 rebounds in a 123–110 loss to the New York Knicks.

After undergoing shoulder surgery in May 2014,[27] Carter-Williams subsequently missed the 2014 NBA Summer League and training camp, before later being ruled out for the start of the 2014–15 regular season as well.

[31] He went on to record his fourth career triple-double on December 13, 2014, with 16 points, 11 rebounds and 11 assists in a 120–115 overtime loss to the Memphis Grizzles.

[36] Five days later, he matched his season-high with 30 points in his first game back in Philadelphia since being traded to lead the Bucks to a 107–97 win over the 76ers.

[37] Carter-Williams began the 2015–16 season strongly for the Bucks, averaging 12.8 points, 6.8 assists, 4.5 rebounds, 1.8 steals and 1.0 blocks over the first four games.

[38] On December 5, he had his best game since the season opener, recording 20 points, 5 assists and 3 rebounds off the bench in a 106–91 win over the New York Knicks.

[43] He made his debut for the Bulls in their season opener on October 27, 2016, recording five points, six rebounds and three assists off the bench in a 105–99 win over the Boston Celtics.

[44] On November 1, 2016, he was ruled out for four to six weeks after he sustained a bone bruise with no ligament damage to his knee, as well as a left wrist sprain.

[50] On December 19, 2018, in a 136–118 win over the Washington Wizards, Carter-Williams hit a 3-pointer late in the fourth quarter to give the Rockets an NBA-record 26th 3-pointer for the game.

[51] On January 7, 2019, Carter-Williams was traded, along with cash considerations, to the Chicago Bulls in exchange for a 2020 protected second-round pick.

[66] Carter-Williams formed NFT company DeFi Crypto Connections with partners Brooks Brown and Austin Greishober in 2021.