Back in December, news broke that the Cardinals and Astros agreed to a trade that would have sent All-Star third baseman Nolan Arenado to Houston. Arenado used his no-trade rights to veto the deal and both sides moved on.

Of course, Mozeliak thought that he'd solved this problem months ago, when the Cardinals had agreed in principle to a deal with the Houston Astros. But that deal blew up over Arenado's unwillingness to waive his full no-trade clause,