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After minor league honors and a lone MLB appearance, Eiberson Castellano is off to free agency

Welcome to the 2026 edition of Ranking the Rockies, where we take a look back at every player to log playing time for the Rockies in 2026. The purpose of this list is to provide a snapshot of the player…

By Zeke Perez Jr · Purple Row

Published: Thursday, 5 November 2026 at 7:00 PM

Key Things to Know

Pitcher Eiberson Castellano elected free agency after being outrighted by the Colorado Rockies following the 2026 season.
Castellano pitched three scoreless innings in his lone MLB appearance, a 23-9 victory over the Athletics.
The right-hander earned Pacific Coast League Pitcher of the Week honors following his Triple-A debut in Albuquerque.

The Story in 60 Seconds

Pitcher Eiberson Castellano has officially elected free agency after clearing waivers and being outrighted by the Colorado Rockies. The right-hander spent the 2026 campaign within Colorado's organization, earning minor league honors and making a single appearance at the Major League level before parting ways with the franchise in the offseason.

Castellano began 2026 in Double-A before earning a promotion to Triple-A Albuquerque, where he was named Pacific Coast League Pitcher of the Week following a scoreless debut. He tossed three shutout innings during a 23-9 victory against the Athletics in his lone MLB outing before finishing the year in Triple-A.

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After minor league honors and a lone MLB appearance, Eiberson Castellano is off to free agency

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