PORT ST. LUCIE — A.J. Minter was far from sure when camp opened if he would be ready for Opening Day with the Mets, but following his Monday relief appearance he was all but certain it will happen.

When New York Mets offseason addition A.J. Minter underwent season-ending hip surgery last August, doctors told him his recovery would take between 7-9 months. On Saturday, the left-handed ...