Blackmon, who's been out for two days, is dealing with the flu, Thomas Harding of MLB.com reports.

EDGE Analysis

Blackmon has been phenomenal throughout the spring. Over 16 games, he's gone 17-for-47 (.362) with three home runs and four doubles. Owners will want to monitor Blackmon's status as Opening Day approaches, as Colorado has yet to present a timeframe for his return.