He played his final game for the Big Reds on March 24, 2015, in a 52–75 quarterfinals loss to Everett High School.

"[3] The game was attended by MSU assistant basketball coach Dwayne Stephens, who helped recruit him to his team.

The award was won by two straight players from Muskegon High School, Deshaun Thrower winning in 2014.

"[4] Davis was given his personal Mr. Basketball trophy between the quarters of the Michigan state title game, in which Saginaw's Arthur Hill played against Detroit's Western International.

[6] In January, when he was named to the game, Bank Hoops scout Steve Bell said, "This is huge for West Michigan.

[8] Davis was a key part to Michigan States record setting start to the season, Big Ten tournament championship, and MSU's 2nd overall final rank in the AP Poll.

He set the school freshman record with 64 blocked shots, second-most in a single season in program history.

[11] While Davis was consistently labelled as a lottery selection all the way until the day of the draft, he was chosen by the Boston Celtics with the 31st overall pick.

He therefore became the first green room invitee to not hear his name get called in the first round since Maciej Lampe in 2003's NBA draft.

[13][14] The deal marked the richest guaranteed salary for an American-born second-round pick in NBA history.

[15] During his rookie and sophomore seasons, Davis received multiple assignments to the Iowa Energy and the Memphis Hustle, the Grizzlies' G League affiliates.

[16][17] On July 17, 2018, Davis was traded, along with Ben McLemore, a 2021 second-round pick and cash considerations, to the Sacramento Kings in exchange for Garrett Temple.

[29] On February 23, 2020, Davis posted 18 points, 11 rebounds, two assists, two steals and two blocks in a loss against the Stockton Kings for his sixth straight double-double.