[2] On February 27, 2014, as a senior, Konchar posted 45 points, 15 rebounds, eight assists, five steals, and five blocks in an 89–82 win over St. Charles North High School.

[3] Konchar averaged 28.9 points, 14.1 rebounds, 4.1 assists, 3.2 steals, and 2.5 blocks per game in his senior season, earning All-Area MVP honors.

[10] As a senior for Purdue Fort Wayne, Konchar averaged 19.5 points, 8.6 rebounds, 5.4 assists, and two steals per game, earning first-team All-Summit League honors for his fourth consecutive season.

[11] At the end of the season, Tom Henry, mayor of Fort Wayne, Indiana, proclaimed March 28 as "John Konchar Day.

[16] On May 11, 2021, Konchar logged a season-high 18 points on 7-of-10 shooting from the field and 2-of-4 from three along with six rebounds and three assists in 26 minutes of play in a 133–104 win over the Dallas Mavericks.

[17][18] During the Grizzlies' regular season finale on April 10, 2022, Konchar recorded his first career triple-double with 17 points, ten assists and 13 rebounds in a 110–139 loss to the Boston Celtics.