niggling injury

Translations
незначительная травма
He was sidelined due to a niggling injury.
Он был выведен из игры из-за незначительной травмы.
Definitions
A niggling injury refers to a minor or persistent injury that causes discomfort or pain but is not severe enough to prevent normal activity. It often lingers over time, causing annoyance or distraction without being debilitating.