A closer look at the 2022 Cubs pitching production - Bleed Cubbie Blue
Prospect Update – Ethan Roberts Developing Via Twitter This Year – Cubs Central
Cubs Pitching Prospect Ethan Roberts Shows Off Increased Velocity, Eye-Popping Spin Rates - Cubs Insider
Chicago Cubs add OF Nelson Velázquez, RHP Ethan Roberts to 40-man
MLB Draft Grades for All 30 Teams
2023 MLB draft tracker live updates: Picks and analysis - ESPN
Chicago Cubs Prospect Interview: Ethan Roberts Staying Grounded on Mound, Working on Curveball - Cubs Insider
How Chicago Cubs' Ethan Roberts developed nasty slider
Prospect Update: Ethan Roberts Looks Ready to Return Home in 2020 – Cubs Central