As a 6-foot-9-inch (2.06 m), 200-pound (91 kg) senior at Bullitt East High School, Willis averaged 17.4 points and 9.4 rebounds per game.
College career
Willis was the first player to commit to Kentucky's 2013–14 recruiting class,[2] choosing UK over Indiana, Louisville and Purdue.[3] He appeared in 103 games over his four-year career with the Wildcats, turning in averages of 5.4 points and 3.4 rebounds per contest, while making 108 of his 271 shots taken from three-point territory in his college career. Willis won the SEC tournament with the Wildcats in 2015, 2016 and 2017, advancing to the NCAA Final Four in 2015. He proposed to his girlfriend on senior night, prior to Kentucky's home game against Vanderbilt.[4]
After going undrafted, Willis was signed by the Detroit Pistons of the NBA as a part of their training camp roster,[6] before being reassigned to the Pistons' G League affiliate Grand Rapids Drive.[7] In his professional debut on November 3, 2017, he provided the game-winning tip-in in Grand Rapids' 86–85 victory over the Erie BayHawks.[8] Making 43 G League appearances (38 starts) as a first-year player, Willis averaged 11.8 points and 6.9 rebounds per contest.[9]
BG Göttingen (2018–2019)
In late July 2018, Willis inked a deal with BG Göttingen of the German Basketball Bundesliga.[10] He saw action in 34 Bundesliga games, averaging 12.0 points and 5.0 rebounds per contest for the Violets.[11]
Ratiopharm Ulm (2019–2020)
On July 22, 2019, he signed a two-year deal with German Bundesliga outfit Ratiopharm Ulm, known as the Sparrows.[12] Willis averaged 7.9 points and 4.8 rebounds per game during the 2019–20 season.[13]
On July 13, 2022, Willis signed with Reyer Venezia of the Lega Basket Serie A.[16] He averaged 12.9 points and 5 rebounds in the EuroCup, along with 9.9 points and 5.5 rebounds in the domestic league.
Anadolu Efes (2023–present)
On June 25, 2023, Willis signed a two-year (1+1) contract with Turkish powerhouse Anadolu Efes.
International career
Willis was a member of the US team that competed at the 2012 Albert Schweitzer Tournament.[17] In February 2018, he was named to the USA squad for the 2019 World Cup qualifiers.[18]