PHILADELPHIA — That old Achilles heel was there waiting for the Mets in the eighth inning Monday night.
Change the names, but until a sustained stretch of success follows can anybody really trust this new and so-called improved bullpen?
The Mets went from May to Mayday to mayhem in a torturous five-run inning that buried them in a 5-3 loss to the Phillies, spoiling a Jacob deGrom gem, in their season opener at Citizens Bank Park.
Entrusted a two-run lead in his Mets debut, Trevor May loaded the bases with one out in the eighth. Another new arrival, lefty Aaron Loup, entered and plunked Bryce Harper to force in a run. J.T. Realmuto’s ensuing RBI single tied it, and Luis Guillorme’s throw home that ticked off James McCann’s glove on Alex Bohm’s grounder (the error was charged to Guillorme) allowed two additional runs. The Phillies scored a final run on Didi Gregorius’ sacrifice fly.
The Mets got three straight two-out hits in the ninth against Jose Alvarado, but Pete Alonso was retired with the tying runs on base to conclude the game.
DeGrom was removed after only 77 pitches. The right-hander fired six shutout innings and allowed only…