The best reliever in baseball this season, Díaz’s outings became a can’t-miss event at Citi Field. It wasn’t too long ago that Edwin Díaz was hearing boos in Queens. He talked about his desire to give the fans something to cheer for instead. He has done that and so much more. Díaz’s career arc as a Met is one of the more impressive turnarounds in recent memory. After a nightmarish start in Flushing in 2019, he was dominant in 2020, but a pandemic-shortened season of success was not enough to shake the weight of the expectations set upon him and…