3 Reasons the Shield should split up again, and 3 they should not.
Should not split up: All three men have struggled to get over on their own
Seth Rollins and Dean Ambrose have slowly but surely slid from the main event to the mid-card. Roman Reigns has remained as the top guy on Raw but has struggled to get fans behind him.
The three men together have a particular magic which works, and if it ain't broke don't fix it as the old adage goes.