The Mount Pleasant Lady Tigers (6-0) played host to Pleasant Grove Tuesday afternoon as the arctic blast blew in at Lady Tiger Field. In a game scheduled for a 4:30 start, the seven-inning contest turned into a three-and-a-half-hour affair with Mount Pleasant walking it off in bottom of the tenth inning. The 8-7 victory was the second win of the season against Pleasant Grove, the other a 12-8 win…