White Sox add Joe Kelly and Josh Harrison--who’s next?

We've got White Sox moves! Two free-agent signings within minutes of each other. Two-time World Series champion and Houston Astros hater Joe Kelly has been added to the bullpen. Two-time All-Star Josh Harrison is coming to play second base opposite Tim Anderson. What do both of them bring to the White Sox? Plus, will Craig Kimbrel be traded or not before Opening Day? And what other moves could be coming for the White Sox?