PHOENIX — Elieser Hernandez appeared to have settled into the game. The Miami Marlins’ starting pitcher has gone through his share of struggles to start the season. It was more of the same to begin his time on the mound Monday against the Arizona Diamondbacks, giving up three runs 10 batters into the game. But then he retired 12 of the next 13 batters he faced and seemed to be in a groove until the final batter he faced on the night. He left a sinker over the heart of the plate. Ketel Marte didn’t miss, sending it a projected 438 feet to right-center field for a go-ahead home run as Arizona do…