- DiMarsico played three seasons at Penn State University, recording 100 points (42 goals, 58 assists) in 111 games from 2023 to 2026. During his final collegiate season in 2025–26, he tallied a career-high 42 points in 37 games and earned Big Ten Honorable Mention All-Star recognition.
- After going undrafted, DiMarsico signed a two-year, entry-level contract with the Colorado Avalanche in March 2026. He joined the Eagles late in the 2025–26 season, recording three points in seven regular-season games.Known for his offensive instincts, speed, and strong forechecking, he enters the 2026–27 season looking to continue developing at the professional level.
