PITTSBURGH -- This year's home opener for the Pittsburgh Pirates had a very special addition. In front of a soldout PNC Park crowd, the Pirates welcomed teenaged superstar Konnor Griffin for his MLB debut. Griffin, the Pirates' top prospect heading into the 2026 season, was better than advertised in his first regular-season action. The shortstop went 1-for-3 batting in the seventh spot of the batting order, picking up the first double and RBI of his MLB career. Not only was it an impressive first showing for Griffin, but it was also historic. Griffin became the youngest Pirates player to record a hit in their MLB debut since organization legend Bill Mazeroski did so during the 1956 season. Sarah Langs of MLB.com pointed out the incredible piece of information via her X account.…