Josh Roenicke, a 2001 Nevada Union graduate, is proving to be the go-to-guy out of the Colorado Rockies bullpen as he saw action in four games last week.Tuesday against the Pirates, Roenicke threw an inning of no hit baseball. He followed that up with a tough outing against the Mets where he gave up three runs on three hits and a walk. Roenicke found his groove Saturday when he pitched 2/3 of an inning to get the Rockies out of a jam against the Mets. Roenicke threw five pitches and got a ground ball double play to get the Rockies …