An MLB debut is a shining moment for baseball players. It is the culmination of years of hard work and sacrifice, with a little bit of luck thrown in. It is their first chance to prove they belong and show the league what they’ve got.
I asked multiple Rockies players about their MLB debuts, and here are the unique stories that brought them to where they are now.
This is the first article in a multi-part series.
- Part 1: Veteran players who made their debuts with the Rockies
- Part 2: Young players who made their debuts with the Rockies
- Part 3: Veteran players who made their debuts with an organization other than the Rockies
- Part 4: Retired players
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So far in 2025, we’ve seen seven MLB debuts with the Colorado Rockies:
- Chase Dollander (No.