A 6-7 forward from Paul VI HS via a prep year at Brewster Academy (NH), Marcus Derrickson showed steady improvement over his three seasons, moving from a 7.1 average in 2015-16 to a 8.3 average in 2016-17 to 15.9 points per game in 2017-18, second to Jessie Govan. A 50 percent shooter with a sterling 46 percent mark from three point range, Derrickson was named as a second team All-Big East selection in a year where Govan was snubbed for any post-season recognition whatsoever.

Derrickson's intensity on the court could be up and down. In 2018, he was called out on national TV by the new Georgetown coach during a open microphone in the huddle of Georgetown's game at DePaul. After taking an off-balance shot before the timeout, Ewing did not mince words.

"Step-back, one legged, what kind of shot is that?" Ewing asked, incredulously. "Have you ever shot that shot? Do you work on that shot? When?"

Derrickson led the Hoyas in scoring in 10 games as a junior, with 27 point games against St. John's and Butler and 15.8 points per game overall. In April 2018, Derrickson announced he would skip his senior season and seek the NBA draft. Undrafted, a two-way contract with the Golden State Warriors followed, where he played in 11 games before being released. He is currently playing in the NBA G-League.