The rain in Lexington is going to make for a potentially long night at Kentucky Proud Park. Shortly after 5:00 p.m. EST — a little under an hour before first pitch between Kentucky and Indiana State was originally scheduled — it was announced that tonight’s game would be delayed. A new first pitch time has not yet been announced. Fans were not allowed to enter the stadium until 5:15. Kentucky enters Sunday’s showdown with Indiana State one win away from clinching the Lexington Regional. A win over the Sycamores, which beat Illinois earlier in the day 13-2, would push UK into the Super Regional…