[3] Spalding began to receive college looks after scoring 34 points in an AAU tournament the summer before his senior year of high school.

[5] After the season, Spalding noticed the work teammate Donovan Mitchell put in to become an NBA player and resolved to do the same.

[6] He moved into the starting lineup as a junior, averaging 12.3 points, 8.6 rebounds, 1.7 blocks and 1.5 steals per game.

[9] He made his NBA debut on October 17, 2018, playing one minute, in a 121–100 loss against the Phoenix Suns.

[13][non-primary source needed][14] Spalding eventually recorded his first rebound on March 9, playing in only 3 minutes in a 127–120 loss to the Portland Trail Blazers.

[16] On April 5, Spalding had his first start in the league, putting up a double-double of 21 points and 13 rebounds in a 133–126 overtime win over the Pelicans.

Following his release, he was added to the roster of the Rockets' G League affiliate, the Rio Grande Valley Vipers.

[20] Spalding was suspended one game without pay after leaving the bench during an altercation in a 132–109 loss to the Memphis Hustle on December 17.

[26] On November 3, 2022, Spalding was named to the opening night roster for the Rio Grande Valley Vipers.