Eugene Koo, the critical right-hand man for Rockies' reliever Seugnwhan Oh

Rockies Insider: Breaking down Colorado's ideal playoff lineup

Interpreter in Spotlight Following Oh Seung-hwan's Move to Colorado Rockies

Colorado Rockies relief pitcher Seunghwan Oh (18) makes the sign of the letter O with translator Eugene Koo, right, as they take part in a fan photo promotion before a baseball game

2017 Ace Wem April, PDF, Washington Metro

Colorado Rockies på X: Seunghwan Oh & Eugene Koo x Doduo / X

Colorado Rockies på X: Seunghwan Oh & Eugene Koo x Doduo / X

Rockies Insider: Breaking down Colorado's ideal playoff lineup

Eugene Koo, the critical right-hand man for Rockies' reliever Seugnwhan Oh

A roundup of the Denver Broncos' preseason loss to the Chicago Bears

Colorado Rockies relief pitcher Seunghwan Oh (18) makes the sign of the letter O with translator Eugene Koo, right, as they take part in a fan photo promotion before a baseball game

Colorado Rockies relief pitcher Seunghwan Oh (18) makes the sign of the letter O with translator Eugene Koo, right, as they take part in a fan photo promotion before a baseball game

Colorado Rockies relief pitcher Seunghwan Oh (18) makes the sign of the letter O with translator Eugene Koo, right, as they take part in a fan photo promotion before a baseball game

2017 Ace Wem April, PDF, Washington Metro