Just one day after the MLB trade deadline passed without a move involving Nolan Arenado , the St. Louis Cardinals placed him on the 10-day injured list with a strained right shoulder , per Bob Nightengale of USA Today. “One day after Cardinals 3B Nolan Arenado wasn’t traded, he goes on the 10-day IL with strained right shoulder,” Nightengale reported on X (formerly Twitter). The veteran third baseman had been battling shoulder discomfort since early July, attempting to manage the injury without a stint on the IL. The decision comes after a prolonged slump at the plate for Arenado. In the month of July, he posted a .175/.230/.211 slash line, and over his last 12 games, his production dropped further