Cubs Pitching Prospect Ethan Roberts Shows Off Increased Velocity

Don't Be Surprised if Jeremiah Estrada Becomes a Big-Time Impact Reliever This Year - Bleacher Nation

2023 MLB Draft: The Top 600 Prospects - Future Stars Series

Cubs Prospect Perspective: Ethan Roberts - Bleed Cubbie Blue

Cubs roster projection 1.0: Countdown to Opening Day at Wrigley Field begins - The Athletic

The Rundown: A Look at Cubs' Top Prospects, Márquez Rejoins Team, Rizzo Chose Winning Over Rebuilding, Teams Spend Record $3.265B in Free Agency - Cubs Insider

2023 MLB Draft: The Top 400 Prospects - Future Stars Series

RoboScout FAAB Targets For May 7, 2023 — College Baseball, MLB Draft, Prospects - Baseball America

Cut-Ride”, “Whirlies”: Could We See Sweeping Changes in Cubs Prospect Pitch Design?

Roberts officially major league pitcher with Chicago Cubs

Cubs prospects Caleb Kilian, Matt Swarmer shine vs. Cardinals

Ethan Roberts one of the Chicago Cubs feel good stories as the season approaches