Dom Martinelli

Dominic Martinelli is a former American college basketball player who previously played for Northwestern, St. Thomas and University of Chicago. At Glenbrook South High School, he established the career and single-game scoring records. He is the older brother of Nick Martinelli. Martinelli is the older brother of 2-time (2025 & 2026) Big Ten Conference scoring champion Nick Martinelli. His older brother, Jimmy, started for NYU from 2016 through 2020. Dom was called up from junior varsity during his freshman season.

During his freshman and sophomore season Glenbrook South had back-to-back 9-win seasons. Prior to his 2018-19 junior season Glenbrook South had had only 1 10-win season in the prior 4 and one 15-win season since 2006. On November 29, 2018, Martinelli helped Glenbrook South defeat Evanston Township High School (the 2018 IHSA Class 4A 3rd place team) for the first time in 13 matchups with a career-high 34 points to start the season with a 6–0 record. As of March 8, 2020, his only offers were from NCAA Division II schools: Northern Michigan and Gannon University as well as various NCAA Division I preferred walk-on offers. Martinelli had posted 23 points in as Glenbrook moved to a 29–4 record with a 65–49 win against Maine West High School in the Class 4A Regional championship on March 6, 2020. Glenbrook South lost to Evanston 62–57 in the Class 4A sectional against Evanston to finish 29–5. Martinelli had been chasing a state record and ended the year 5 free throws shy (282) of the IHSA single-season free throw record (287), but one ahead of Patrick Beverley at 281. In late April, he got a preferred walk-on offer from Northwestern that he accepted. Northwestern's head coach Chris Collins and head assistant coach, Brian James had both played at Glenbrook North.

He is listed in the IHSA record book among the state's all-time leaders in career points (2059), career free throws made (578), single-season free throws made (282), consecutive single-season free throws made (45) and consecutive single-game free throws made (18). Martinelli was a 2nd-team Associated Press Class 4A All-state selection. He was a 2020 Chicago Sun-Times All-state selection. The 2021–22 St. Thomas Tommies were the first St. Thomas team to compete in NCAA Division I after moving from NCAA Division III. Martinelli debuted for the team on December 14 with 10 points against Northland College in a 109–50 victory. Martinelli posted a career-high 18 points on 6–10 shooting for the 2022–23 Tommies on November 29, 2022, in a 111–63 against North Central. He followed that with 10 points against Crown during a 91–56 victory in the next game on December 3. Martinelli posted 12 points for the Chicago Maroons men's basketball team on November 20, 2024, which was one point short of a team high in a 70–68 loss to Lake Forest College. The team became the school's first NCAA Division III men's basketball tournament entrant since 2008 by qualifying for the 2025 tournament.