As we stand on the brink of the off-season, the Cardinals have three-fifths of their 2019 rotation under contract for 2020. That trio includes ascendant ace Jack Flaherty, everyone’s favorite charitable lizard consuming control artist Miles Mikolas, and groundball machine Dakota Hudson. Depending on what happens with Adam Wainwright, Carlos Martínez, and the copious depth options, that leaves up to two rotation slots to be filled. The good news is that a glut of free agent starting pitchers should provide the Cardinals with ample options. Let’s take a look at what will be out there.