Edwin Díaz and Adam Ottavino have been the two consistent high-leverage relief options for the Mets. Who else will step up? The Mets front office has received some much-deserved scrutiny this year for their handling of the bullpen—first for entering the season without further shoring up potential holes amongst the relief options, and then for not doing enough to fill said holes at the trading deadline. It’s hard to call the production they’ve received from the bullpen an outright liability—entering the series final against the Brewers, their 3.57 ERA ranked tenth amongst all major league teams—but for much of the…