The San Diego Padres have arguably the best bullpen in Major League Baseball this season, and it is anchored by superstar closer Mason Miller Miller has been absolutely lights out to open the season, creating some franchise history in the process with a 34.2 scoreless innings streak. Overall, Miller has posted an ERA of 1.17 over 15.1 innings of work, striking out 29 batters to just three walks. Even before he came to the Padres, Miller was dominant for the Athletics, but he has been on another level with San Diego. The right-hander recently spoke with Padres On SI , giving some credit to pitching coach Ruben Niebla for his and the organization's success. “I think that the environment that Ruben’s been able to cultivate for pitchers — and that speaks more to the organization and everybody else involved too, because I think it extends outside the pitching staff — the results and the success of the pitching here in recent years under Ruben is undeniable for sure.…