MLB Opening Day: Cardinals start 2021 season with six-run first inning vs. Reds | CBS Sports Headlines MLB Opening Day: Cardinals start 2021 season with six-run first inning vs. Reds St. Louis got out to a large lead over their division rival on Opening Day ESN FeedsThis post was originally … Continue reading MLB Opening Day: Cardinals start 2021 season with six-run first inning vs. Reds