Padres placed RHP Matt Waldron on the 15-day injured list with a left oblique strain.

Matt Waldron suffered an oblique injury while warming up on Friday and will likely miss the start of the regular season.

Matt Waldron was charged with four runs — two earned — over 2 2/3 innings on Tuesday against the Cubs.

Matt Waldron was terrific in Thursday’s start against the Athletics, allowing just one hit over three innings of scoreless baseball.