During the shortened 2019-20 season, Walker appeared in 53 of San Antonio's 63 regular season games. He also started four games for the Spurs. Walker's 53 appearances have far exceeded the 17 games Walker played as a rookie last year. The vertically coiffed wing averaged 5.6 points, 2.2 rebounds and 0.5 three-pointers over 14.5 minutes per contest. The 21-year-old had his best scoring game on Dec. 3 against Houston, when he produced a career-best 28 points (10-18 FG, 4-7 3PT, 4-6 FT), four rebounds, three steals and a block in 35 minutes of action. Walker scored in double-digits in 10 games. On both Jan. 2 (a loss to OKC) and Jan. 6 (a win over the Bucks), Walker grabbed a career-high seven rebounds. On Jan. 8, Walker posted 18 points, three rebounds, two three-pointers and a steal during a 15-point win at Boston. On both Feb. 1 (a win over the Charlotte) and Feb. 10 (a loss at Denver), the second-year player dished a career-high four assists. That Feb. 10 game versus the Nuggets marked Walkers first career NBA start. In addition to four assists, Walker added four points, five rebounds and two steals over 27 minutes of run.2018
Walker played in 17 games for the San Antonio Spurs during the 2018-2019 campaign. Prior to the season, he was selected 18th overall in the NBA Draft. He came off the bench and made his NBA debut against the Toronto Raptors on Jan. 3 and scored three points. On April 3, Walker scored a career-high 16 points against the Denver Nuggets. Overall, the University of Miami product averaged 2.6 points per contest in the regular season. He came off the bench in six postseason games. In the playoffs, he scored a total of six points and dished out three assists. During the season, Walker also split time with the Austin Spurs of the G League. He played in 29 games, starting 28. During his G-League run, he averaged 16.6 points, 2.9 rebounds and 1.8 assists per game.
June 21, 2018Drafted by the San Antonio Spurs in the 1st round (18th pick) of the 2018 NBA Draft.
July 11, 2018Signed a multi-year rookie contract with the San Antonio Spurs.