Lazaro Montes wasn’t having the kind of start that invites calm, measured prospect discourse. Let’s be honest about that. When a big left-handed power bat opens the year slowly in Double-A, the conversation can get itchy, especially in a Mariners system where every young hitter gets measured against Seattle’s endless search for impact offense. Then May 2 happened, and Montes basically reminded everyone why you don’t rush to bury a young power hitter. He hit three home runs and drove in a career-high eight runs for Double-A Arkansas in a 16-6 win over Wichita. It was the first three-homer game of his professional career, which says a lot considering Montes is not exactly new to loud nights in the minors. But this was the kind of game that takes the whole conversation around a slow start and tells it to calm down. On May 3, he proved he was not done making his point.…