NEW YORK -- Reliever Ryan Helsley , one of the Mets’ top additions before last month’s Trade Deadline , is working through pitch tipping issues that team officials have identified since acquiring him.

Almost immediately upon Helsley’s arrival in early August, team officials became convinced that he was tipping. The issue grew more pronounced Tuesday night against the Phillies, when multiple batters made what manager Carlos Mendoza called “really good swings on fastballs, really good takes on sliders.”

“We’ve got to look back and see what we’re missing,” Mendoza said that night. “For teams to have comfortable at-bats like that, something’s going on here that we have to figure out.”

Helsley and Mets coaches have since identified the issue as a “little tick” the right-hander makes with

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