Trevor Cahill will start the Padres' third regular-season game.
Lucas Duda was held out of action Thursday in Mets camp because of hamstring tightness.
Shawn Kelley will open the year as a setup man.
Koda Glover will open the 2017 season as a setup man.
Padres purchased the contract of RHP Craig Stammen from Triple-A El Paso.