Vanderbilt played in 64 games, registering 30 starts, in his first full season with the Timberwolves. He averaged 17.8 minutes, 5.8 rebounds and 5.4 points on 60.6 percent shooting on the season. As a starter, he averaged 20.5 minutes, 6.2 points, 6.2 rebounds, 1.3 steals, 1.1 assists and 0.9 blocks. Vanderbilt scored a season-high 16 points twice, the first time came Jan. 23 against the Pelicans and the second came Feb. 24 against the Bulls. In the Pelicans matchup, the Kentucky product shot 8-for-14 from the field and added 11 boards, two steals and a block. It was one of his three double-doubles on the season. The 22-year-old grabbed double-digit rebounds in nine games, including a season-high 14 on April 16 against the Heat. Defensively, the third-year forward recorded at least a block or steal in 47 games. He had 19 games with multiple steals, including a season-high five on May 7 against the Heat. The ex-Wildcat also blocked multiple shots in nine games, including a season-high four on April 13 against the Nets.2019
Vanderbilt split his second NBA season between the Nuggets and Timberwolves. In 10 appearances between the two teams, he totaled 12 points, nine rebounds, three steals, two assists and one block in 46 minutes. He made his season debut for Denver on Oct. 31 against the Pelicans, finishing with one rebound and one assist in five minutes. Vanderbilt's first points of the season came against the Rockets on Dec. 31, when he posted two points (1-1 FG) in four minutes. The Kentucky product played a season-high eight minutes against the Rockets on Jan. 22. On Feb. 4, Vanderbilt was traded to the Timberwolves. He saw action in two games for Minnesota, while also spending time with the team's G League affiliate, the Iowa Wolves. In seven games for Iowa, Vanderbilt averaged 28.7 minutes per game and held averages of 15.9 points, 13.0 rebounds, 3.6 assists, 1.4 steals and 1.4 blocks.2018
Vanderbilt was selected by the Magic with the 41st pick in the NBA Draft, and was traded to the Nuggets shortly thereafter. He missed Summer League play due to a foot injury suffered in college, and his absence continued through exhibition play and the early part of the season. The Nuggets took a conservative approach with Vanderbilt's recovery, but he was able to make his NBA debut Jan. 25 against the Suns. While he saw only four minutes, Vanderbilt still had a point, three rebounds, a steal and an assist. Shortly after that night, Vanderbilt was sent to the G League and saw four games with the Delaware Blue Coats. Over that span, Vanderbilt averaged 7.3 points and 7.8 rebounds before getting the call back to the NBA. He stayed with the team the rest of the season, averaging 1.4 points and 1.3 rebounds in 16 games. Vanderbilt's then-career high came April 2 against Golden State, when he put up 10 points (4-4 FG) and three rebounds. The Nuggets made the playoffs that season, and Vanderbilt saw action in three of the seven games in the opening-round victory over the Spurs. He did not see the court in Round 2 against Portland, the Nuggets where ultimately eliminated in a seven-game series.