BY BRIAN HAMILTON PIGEON FORGE – Mike Guinn picked up his 500th win as a head coach on Monday evening, as Pigeon Forge used a 14-run third inning to build an 18-1 lead over Alcoa in the second round of the Class 2A District 2 tournament. The Tornadoes would battle back, scoring four runs in the top of the 5th, but the Tigers would prevail 18-5, cutting the game short due to the 10-run rule. Guinn began his career at Anderson County but has picked up the majority of the 500 at Pigeon Forge, where he won a state championship …