Yankees’ Cam Schlittler passes first test after dealing with back problem

TAMPA – Cam Schlittler insisted his back problems were “insignificant,” but the fact he was back on a bullpen mound Tuesday still seemed significant.

After the Yankees held him back this past week due to mid-back/left lat inflammation, Schlittler completed a bullpen session that, with a positive recovery, should put him back on track in his build to start the regular season on time.

“Again, something we weren’t too concerned about,” manager Aaron Boone said. “Just being where we are on the calendar, we wanted to make sure it didn’t turn into something bigger.

“Everything went well, so keep going.”

Schlittler had been ahead of some other pitchers in his pitching progression before the Yankees decided to keep him off the mound for a few days.

The expectation was that he would only need one or two bullpen sessions before he could resume facing hitters.

Giancarlo Stanton said he was on the practice field when he heard about the firing of Tony Clark, the executive director of the MLB Players Association, but wanted to get more information before commenting further.

Clark resigned Tuesday after an internal investigation found an inappropriate relationship with his sister-in-law, The Post’s Joel Sherman reported.

“Not ideal timing is all I know,” Stanton said, referring to the looming labor battle when the current CBA expires on December 1.

Elmer Rodriguez will start the Yankees Grapefruit League opener against the Orioles on Friday in Sarasota, Florida.

The prospect of being at the top as a pitcher has been built up early as he leaves camp in early March to pitch for Puerto Rico in the WBCat.

Fellow ace Carlos Lagrange is expected to start the Yankees’ home opener against the Tigers on Saturday.

Luis Gil threw three innings of live batting practice, increasing his pitch count to 42. … Ryan McMahon, who postponed Monday’s workouts due to flu-like symptoms, returned to the field Tuesday. … The Yankees made their first cuts of the spring, transferring RHP Alexander Cornielle and C Abrahan Gutierrez to minor league camp. They now have 70 players in the big league camp.