And unfortunately, according to an announcement from the Cardinals, Arenado isn't alone on the injured list. Brendan Donovan is being placed on the injured list, retroactive to August 15th, with a left groin strain.

The St. Louis Cardinals have lost All-Star infielder Brendan Donovan to the injured list, clearing the way for JJ Wetherholt to head to the big leagues.

The All-Star infielder has missed games recently with left groin tightness and is also dealing with a toe injury.