Willie Cauley-Stein

On January 25, 2020, Cauley-Stein was traded to the Dallas Mavericks for a 2020 second-round pick. He made his debut three days later in a 104–133 loss to the Phoenix Suns, recording four points and two rebounds in 12 minutes.

On June 28, 2019, the Kings extended a qualifying offer to Cauley-Stein in order to make him a restricted free agent. The qualifying offer was later rescinded to make more cap space for the Kings to land Cory Joseph.

On July 8, 2019, Cauley-Stein signed with the Golden State Warriors. Cauley-Stein made his Warriors debut on October 10 against the Phoenix Suns, scoring 12 points on 5 of 5 shooting and 2 of 2 from the line, with 5 rebounds, 1 assist, 1 block, and three fouls in 12 minutes.

On January 6, 2018, Cauley-Stein recorded a career-best seven steals in a 106–98 win over the Denver Nuggets.

On October 29, 2018, Cauley-Stein scored 26 points and grabbed 13 rebounds in a 123–113 win over the Miami Heat. On December 23, 2018, he had 22 points and a career-high 17 rebounds in a 122–117 win over the New Orleans Pelicans.

On February 23, 2017, following the DeMarcus Cousins trade, Cauley-Stein was given extended minutes off the bench and came through with a career-high 29 points and 10 rebounds to help the Kings defeat the Denver Nuggets 116–100.

On April 9, 2015, Cauley-Stein along with Andrew Harrison, Aaron Harrison, Dakari Johnson, Devin Booker, Trey Lyles, and Karl-Anthony Towns all declared to enter their names into the NBA draft.

On June 25, 2015, Cauley-Stein was selected by the Sacramento Kings with the sixth overall pick in the 2015 NBA draft. On July 16, he signed with the Kings. He made his debut for the Kings in their season opener on October 28, recording two points and two rebounds in a 111–104 loss to the Los Angeles Clippers. He made his first career start two days later and recorded 17 points and nine rebounds in a 132–114 win over the Los Angeles Lakers. Cauley-Stein missed most of December with a right index finger injury. On January 20, he recorded his first career double-double with 12 points and 10 rebounds in a 112–93 win over the Lakers. On March 25, he scored a then career-high 26 points in a 116–94 win over the Phoenix Suns. At the season's end, he earned NBA All-Rookie Second Team honors.

On May 1, 2015, Willie officially filed a name-change order with the Probate Division of the Fayette District Court to change his birth name. He did it to honor his mother, Marlene Stein, and his maternal grandparents Norma and Val Stein, who raised him after his father left him when he was four. He also added "Trill" as a middle name, a nickname given to him by friends.

Due to an injury to his leg suffered during the 2014 NCAA Tournament in a game against Louisville, Cauley-Stein missed the remainder of the season. He decided to return for his junior season due to his injury; he was a projected top-15 pick in the 2014 NBA draft prior to his injury.

In 2014–15, Cauley-Stein was named the SEC Defensive Player of the Year. He was also selected to the All-SEC First Team, the All-SEC Defensive Team and the USA Today first team All-American Team.

Cauley-Stein earned SEC Freshman of the Week honors twice. Cauley-Stein's season-high came against Vanderbilt as he posted 20 points to go with 7 rebounds. In a couple weeks prior, he was a perfect 5–5 from the field against Auburn.

On February 12, 2013, in a game against the Florida Gators, Noel tore the ACL in his left knee after blocking a Florida lay-up, forcing him to sit out the remainder of the season. Cauley-Stein was given the starting center position due to Noel's season-ending injury. In Noel's absence, he recorded three double-doubles in six games including 10 points and 11 rebounds against Georgia and 13 points, 10 rebounds to go with four blocks at Arkansas.

During the 2013–14 season, he appeared in 37 games, making 18 starts while averaging 6.8 points, 6.1 rebounds and 2.9 blocks per game. His tallied 106 blocks for the season is a total that ranks as the second-most in a single season in school history.

Considered a four-star basketball recruit by Rivals.com, Cauley-Stein was listed as the No. 9 center and the No. 40 player in the nation in 2012.

Cauley-Stein was not eligible to play varsity football until his senior year, but he was convinced to play wide receiver when he did. In 2011, he helped his high school win a 7-on-7 football tournament at the University of Kansas and was offered a football scholarship on the spot. In his senior season, Cauley-Stein averaged 19.7 yards per catch while sometimes playing as cornerback. He finished with 64 catches for 1,265 yards and 15 touchdowns.

Willie Trill Cauley-Stein (born Willie Durmond Cauley Jr. on August 18, 1993) is an American professional basketball player for the Dallas Mavericks of the National Basketball Association (NBA). He played college basketball with the Kentucky Wildcats. He previously played with the Sacramento Kings for four seasons before signing the Golden State Warriors in the 2019 offseason. In January 2020 he was traded to the Mavericks.