Live around 5 p.m., Post-Gazette sports columnist Paul Zeise weighs in on the latest from Pirates spring training in Bradenton, Fla., where top prospect Konnor Griffin is impressing fans with his powerful performances in batting practice. Is Griffin already proving that he's ready for the MLB opening day roster and building pressure on GM Ben Cherington and manager Don Kelly to keep him out of the minor leagues? Or is some of the buzz an overreaction, considering exhibition games have not even b