It wasn’t the debut Colby Shreve wanted to make at the Double-A level. On Thursday, fresh off the excitement of his second promotion of the season, the 24-year-old surrendered three hits and walked three batters, while letting up six runs (five of those earned) in two-thirds of an inning, in relief for the Reading Phillies. The disappointment was far greater than he had felt at any point on the pitcher’s mound, but Shreve knew that he would bounce back and prove himself worthy of competing in the Eastern League and beyond. Following six outings with Class A Lakewood early this season, the right-handed Shreve, sporting a 3.60 ERA and 9.6 strike outs per nine innings, was promoted to Class A Advanced Clearwater. Shreve then sported a 2.25 ERA and an 8.55 K/9 mark in 13 outings for the Threshers while recording two saves. Last week, the Southern Nevada Community College product then took another step upward and didn’t make the kind of splash he hoped for. His initial outing for the R-Ph...