Colorado Rockies right-hander Eiberson Castellano has been ranked No. 27 in the organization's 2026 prospect list, according to a report by Zeke Perez Jr. for SB Nation. The 22-year-old pitcher made his major league debut on June 14, 2026, at Las Vegas Ballpark against the Athletics, marking his first appearance at the big-league level.
Rockies Prospect Eiberson Castellano Ranked No. 27 in 2026 Organizational Rankings



