Let's Erase This Unwritten Rule

Something really, really weird happened after the Padres-Giants game on Tuesday night that I want to mention. Mauricio Dubon, a 27-year-old utility player for San Francisco, was answering questions after the Giants pounded the Padres 13-2. The game will be noteworthy for a whole other reason — Alyssa Nakken became the first woman to coach on the field w…