There are two reasons why a trade might be difficult to execute for the Cardinals. The first is Arenado's full no-trade clause. In the offseason, he used it to veto a deal with the Houston Astros. That could scare some teams away from trying to trade for the Cardinals' third baseman.

St. Louis Cardinals third baseman Nolan Arenado reportedly might experience a change of scenery ahead of the trade deadline.

The St. Louis Cardinals could trade struggling third baseman Nolan Arenado and closer Ryan Helsley to the Toronto Blue Jays, offering a potential midseason shake-up ahead of the MLB trade deadline.